WOOJER STRAP 4

The room stops mattering.

High-fidelity vibroacoustic wellness you wear. 240 grams, ten hours, wherever the day puts you.

Strap 4 from $169 $143

PORTABLE BY DESIGN

Small enough

for every day.

A compact form that moves from commute to focus to breathwork without taking over the moment.

Made for the in-between

Wellness doesn’t need a room.

Focus. Move. Breathe. Unwind. Strap goes where the rest of your day does.

Focus.

Something physical to focus on.

Movement.

Take the rhythm with you.

Breathwork.

Follow the rhythm.

Meditation.

Add sensation to stillness.

Quiet time.

No screen. Just feeling.

FIND YOUR SPOT

Your body. Your placement.

Chest. Waist. Cross-body. Along the spine. Move Strap until the sensation feels right for the moment.

Chest

Chest

Waist

Waist

Cross-body

Cross-body

Along the spine

Along the spine

Wear it. Feel it.

This is Strap 4

W
Woojer
Strap 4
B
Brian R.
Verified Buyer

“Great sound, very comfortable and easy to adjust. Phenomenal listening experience perfect for cleaning, exercising or simply relaxing.”

J
Josh 🌴.
Verified Buyer

“It's good for meditating if you like sound bath experience it's Awesome… definitely recommend for people who want something different.”

M
Mike M.
Verified Buyer

“I recently received my woojer replacement, I use it for riding on my trainer and missed it for 2 weeks, it helps me dig deep while keeping me focused on my ride…it is an awesome accessory and keeps me riding!.”

A
ANGELA H.
Verified Buyer

“Given as gift for woman with rare condition that left her blind, mostly deaf and unable to feel in her hands. It gives an added element of emersion to her music to give extra sensory feedback since she has difficulty hearing it. Thank you woojer.”

T
Tiffany F.
Verified Buyer

“Thank you so much for making these. My Strap is helping me to experience and enjoy music again after 11 years of being profoundly deaf.”

S
Sharon R.
Verified Buyer

“Very good vibration.... That I can feel the music or actions like boom, car crash... Because I am FULL deaf.”

T
Tom W.
Verified Buyer

“Adds new dimension to listening to music! Deep base vibration goes to your body while higher vibrations to ear buds/phones to your ears. Glad I bought this haptic speaker!”

P
Phil K.
Verified Buyer

“I recently bought the strap for my son who has visual impairment. With the right films and music the strap really enhances his experience. Great device, well designed and made.”

@
@_j_u_n_i_p_e_r_
Instagram

“Ever wondered what sound feels like in the body?”

A
Aaron W.
Verified Buyer

“Fantastic love ❤️ it makes a world of difference I’m a big fan of ABGT Group therapy and ASOT LIVE stream shows every week and man what a difference it’s like I’m there fantastic 🤜🤛👍🙌🙌🙌🎶.”

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Jonathan
Verified Buyer

“It is fantastic. You will move…to the rhythm.”

M
Mark F.
Verified Buyer

“Works well as advertised. Plug in earphones are awesome but not so much for the bluetooth earbuds I have which are better quality. All in all, I'm happy. I'll be using for meditation mostly.”

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Tyler J.
Verified Buyer

“I bought this as a gift for my deaf mother in law so she could experience movies and tv shows in a different way and she really enjoys it.”

R
Robert C.
Verified Buyer

“The strap is a great item to connect to your phone/portable music player to let you feel the sounds as you exercise.”

T
Tony S.
Verified Buyer

“Overall experience has been amazing. Love to listen to all my different genres. Keeps me dancing.”

J
Josh M.
Verified Buyer

“I love I walk / take public transportation so it makes jamming out that much better.”

J
jere j.
Verified Buyer

“For one that has anxiety it is extremely good. The vibration could even be higher.”

A
Alberto S.
Verified Buyer

“Im deaf, no words!!!!!! Other level, great job and thanks for create this❤❤❤❤.”

J
John K.
Verified Buyer

“I bought this as a Christmas gift for a hearing impaired parent! They absolutely loved it and use it for music, movies, etc. You should have seen his eyes light up when he felt the drums, bass, and guitar! Thank you and I will always recommend your product to everyone!.”

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David W.
Verified Buyer

“With the Strap, it puts you in a dancing mood on every song.”

K
Kovalik M.
Verified Buyer

“Wery good i use in meditation and hipnosis.”

M
Mike Y.
Verified Buyer

“Awesome- for my usage, which is just messing around, Woojer is freaking fire!!! Have yet to try during hardcore exercise, since I got dope headphones at the same time as woojer. ADVICE- stick with your regular headphones for woojer, and look into workout stuff that can plug into the product wirelessly.”

T
T C.
Verified Buyer

“I bought this for my son who was having a lot of difficulties with his mental health and he loves it. He said sometimes when he lays down to listen to music his mind is still very active but with this it's like an overload and it really helps him to relax. He said he finds it difficult to listen to music without it so thankyou x.”

A
Andrew L.
Verified Buyer

“My partner got me this as an early Xmas present as I have quite the issue with anxiety, I like to feel the bass as a way of dealing with high emotions. Now no matter where I am if I start feeling like its getting a bit much I just strap my the Woojer Strap on and let it do its thing. Im still getting the hang of it but its well worth it.”

W
william l.
Verified Buyer

“I had an issue with my strap and they were all over it. They got me a replacement very quickly and their communication was excellent. Thanks, Woojer.”

D
Darious S.
Verified Buyer

“Woojer strap is exhilarating! A great addition to any sound device if you want to kick it up a notch 😀.”

J
Jesus R.
Verified Buyer

“Was a bit skeptical but i must say im actually surprised how enjoyable this product is.”

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Courtney R.
Verified Buyer

“I love the strap i have never felt anything close to this .I took it to work and jam to music for 8 hours and it was so kool noone even know i had it on lol i will be sharing it with all my friends so they will buy one as well ,thanks alot i appreciate it 👍❤.”

E
Elroy O.
Verified Buyer

“Love my WOOJER, helps to pick me up and get me moving, love feeling my music.”

S
Stuart C.
Verified Buyer

“Need better connectivity to headphones. Just buy a b5.0 USB-C for the phone.”

M
Mike H.
Verified Buyer

“It’s the best thing since slice bread. And I wouldn’t leave home without it.”

J
John P.
Verified Buyer

“The Woojer stap is an excellent piece of hardware to enhance the experience of music. After getting use to the setup, it operates as advertised and makes the music come alive. I have testid it with multiple genres of music and it works well, allowing you to adjust the bass easily to fit the music.”

I
Iván A.
Verified Buyer

“Amazing experience, I really recommend it.”

M
Mark B.
Verified Buyer

“I use the Woojer Strap on stage when I play bass guitar with a local cover band. We typically don't play with amps and cabinets on stage and we plugin straight to the PA. This removes any sensations of the stage rumbling from my bass speakers. The Woojer Strap recreates the sensation of standing near a bass amp and cabinet! It really helps me feel the music I am playing.”

A
Albert L.
Verified Buyer

“The Woojer is the perfect enhancement for my headphones. Eighter for listening music with a rich bass body-experience or even for producing sound. The accuracy of the extra low bass allows perfect monitoring of the "low-end" in my productions which isn't possible without high-end subwoofers. I'm glad having found the Woojer - it's a very useful tool! Thanks to the Woojer Team.”

S
Stephen H.
Verified Buyer

“I like it the fact that I can turn up the volume much higher on my head phones than I could because phone restricted that also the body sensation adds too the expeeirence.”

M
Marlon D.
Verified Buyer

“It is awesome, to get the best experience out of it place it across the chest and not have it loose, the higher the volume the intense the effect, I love it it's awesome.”

Y
Youssef B.
Verified Buyer

“This strap adds a whole new dimension to sound ! I can’t listen to music anymore without it. Very recommended, and this is coming from an acoustics expert / doctoral graduate.”

H
Hugh D.
Verified Buyer

“A total immersive journey into the most compelling music experience ever. Friends thought the feeling was explosive - so much so that one literally burst into tears.”

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Jean B.
Verified Buyer

“I didn't think riding riding my longboard was the best thing in the world. I stand corrected, riding it with this strapped on, it's an all other level of enjoyment!!.”

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Woojer
Strap 4
A
ALEX C.
Verified Buyer

“As the title suggest the Strap lives up to its word and gives the feeling of standing next to the speaker, best piece of music enhancement i have ever bought.”

J
Jude S.
Verified Buyer

“Totally need to experience it to know what it is about!!! My roommates totally blown away by it!!!! Also they told coworkers about it 💯. It's amazing!!!!!!!!.”

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Nicole L.
Verified Buyer

“Wow! I love it ! Like the title said.. It feels like your watching or attending a live concert.. Feeling it !! Congratulations! Excellent product ! Thank you.”

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Wayne D.
Verified Buyer

“Where has this been this Strap is fire I mean it is just to awesome for words my music is a billion times better you have a friend and a customer for life.”

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Julien B.
Verified Buyer

“I received my Strap at the beginning of December, it's a great product, it's really great, since then I use it every time I go to the weight room I love it.”

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Christopher R.
Verified Buyer

“It enhanceed my headphones. It felt good across my chest. It was great on most songs ,and fantastic on rock. All and All it was great. Thanks, Christopher.”

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Stephen N.
Verified Buyer

“Out of this world! I love the fact that I can now feel the music listened to over my headphones! I also use it at work while coding and it’s just awesome!.”

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Ray C.
Verified Buyer

“I am a working bass player and I play a lot of gigs where we use in-ears. With the addition of the Strap it makes it feel like I'm playing a big stadium.”

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Thomas B.
Verified Buyer

“This device takes music to the next level. The Strap is amazing. Feeling the bass in the music is really cool. Turn your music up loud and enjoy the fun!.”

S
Shannan V.
Verified Buyer

“I absolutely love my Strap. Highly recommend for anyone who is looking for a more immersive musical experience. Their customer service is also top notch. You don't see that much these days!.”

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Jacy G.
Verified Buyer

“You guys need to work on the strap a little better, when is secured it loosens up automatically….. The elasticity is weak. Otherwise love the product.”

K
Kwal D.
Verified Buyer

“Words doesn't do it justice you need to experience it. Feel the sound it will enhance your listening experience to next level. Try it I recommend it.”

B
Basil A.
Verified Buyer

“I bought this for my partner as Christmas present and has made it part of her daily ritual when she's listening to her music. She is quite pleased.”

J
joe w.
Verified Buyer

“I had high hopes for this thing and it turned out to be way BETTER than expected! I am so impressed it added that extra energy to my music that I usually only get at concerts I love this product.”

@
@patricklyons
Instagram
D
Derek T.
Verified Buyer

“I am truly impressed with this product. The inventors or owners of this product is a genius!! I love this product. Just gives listening to music and watching movies a whole new meaning. Great job!.”

S
Simon D.
Verified Buyer

“I didn't think I would like or find a use for the woojer strap but surprisingly, this product has found a space in my music listening pleasure.”

A
Audrey S.
Verified Buyer

“I have never experienced anything like this other than being at the club way back when. I dare anyone to use the Woojer and try standing still.”

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Felix J.
Verified Buyer

“Woojer is the best device that i obtain to listen to my music.Its like a dolby atmos,dts-hd master audio experience throughout my head phones.”

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Christina L.
Verified Buyer

“I thought I listened to music but the Strap literally makes me feel it creating a whole new way of listening to my music and media that makes me never want to go back before woojer came into my life.”

D
David W.
Verified Buyer

“Good clean music that I can feel is critical even at low volumes. The Woojer Stap is a part of my personal music equipment. Well done Woojer!.”

K
Kimberly L.
Verified Buyer

“This was purchased for my boyfriend as a birthday gift. He had a tough time syncing phone and ear phones to it. Set up now and he loves it.”

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Matt P.
Verified Buyer

“I love music. And that just got better! Immersing myself in my latest playlist after work is a great way to distress. Get lost in the music with this cracking little piece of kit. Comfy and easy to use.”

C
curt m.
Verified Buyer

“The strap is good the only thing I don't like is the place where you plug the cables in they should be L shaped instead of a straight plug.”

T
Tin V.
Verified Buyer

“Feel the rhythm of the bass with the headphones or earphones. The battery last longer than I thought, portables Subwoofer. Thank you.”

C
Christian N.
Verified Buyer

“I love to put it on my back, lay in the bed, watching action movie! It's a real dimension more in the pleasure of living the cinema!.”

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Patricia C.
Verified Buyer

“I won't know how they like them until Christmas. These were bought for our granddaughters who love music. After watching the reviews on Youtube though, I think they're going to definitely have a blast with them.”

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Ezekiel M.
Verified Buyer

“Works great, it really enhances the experience of my music. Being able to feel the bass while listening to my songs is something that I would have never imagined being able to do. Was definitely worth it for me.”

M
Mylene G.
Verified Buyer

“ITs a well made Product,my husband Play music and when he listened His first song,the reaction was priceless and hes very happy.”

Q
Quinn T.
Verified Buyer

“It was an awesome experience, to be able to feel music, close to the experience almost like a car system with bass! I wish the strap had a speaker on the back, and positioned on the side of the stomach or kidneys.”

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Nelida M.
Verified Buyer

“Great product! Just a bit over advertised, it's a great experience, but not amazing. As it's shown on the advertisement videos.”

良
良儒 蕭.
Verified Buyer

“No suggestion and no problem to use Strap. This is an amazing product. I like it very much. Thank you for all your assistance.”

J
Jose D.
Verified Buyer

“I was a DJ in the '80s so I love music and I have music collection by having the Wooyer around my waist the bass just feels 👍😊.”

O
Omar O.
Verified Buyer

“If youre a real music enthusiast this is for you! I would definitely wait and spend the money on the more expensive version to maximize your experience doe. And from what Ive seen negative comments are coming from people who arent using the woojer with the right genres of music. I feel like this is a product for urban genres like hip hop, dancehall, reggaeton, dub step, club music type vybz.”

E
e b.
Verified Buyer

“72 years old, in a wonderful backwater town. I just don’t know how to do it. Everyone says “ thank you for you Military service, then they walk, thats it2.”

M
michael h.
Verified Buyer

“I have literally been sharing my woojer device with multiple people and hands down they are ordering one for themselves and for other friends. It's awesome in every way for people who love listening to music. Thank You.”

A
Alexander P.
Verified Buyer

“This thing is so nice. I have shown multiple people the product and they are all in agreement. This thing is super sweet!.”

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Rahsontenhawi G.
Verified Buyer

“Yeah this definitely it, it changed the way I listen to music, it took music to a whole new level where you feel it😎.”

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Paul W.
Verified Buyer

“I was skeptical when I heard about it, But once I put this thing on ohh buddy it's awesome NOT AMAZING but awesome.”

A
Alexander M.
Verified Buyer

“Excellent spectrum coverage, with the lowest peak probably being 16hz-ish, easily above 2khz I like using Equalizer, lower treble bigger bass, even better on this It gives the music a more premium sound, I would say deeper feel.”

A
Alberto R.
Verified Buyer

“It’s absolutely amazing, total new experience of listening to music, this product brings it up to a new level.”

B
Brian S.
Verified Buyer

“New items are hard to deal with sometimes. Customer service is excellent.. Thank you for the replacement.”

A
Aymi R.
Verified Buyer

“The Strap has completely changed the way I experience music and movies: you feel like part of the action!.”

S
Sirasit W.
Verified Buyer

“I use the Woojer almost everyday since I just love the bass on the device. It also gave me an reason to use my expensive headphone more often, and the best part is that I am able to use my expensive headphone wireless due to bluetooth.”

R
Robert B.
Verified Buyer

“Was very impressed. I was sketchy at 1st but im glad I bought it. When went back an got my son one too.”

J
Juan M.
Verified Buyer

“I use it to listen to music on my laptop. Now it sound and feels like a concert no matter where I am.”

R
Ramses A.
Verified Buyer

“Good extra sound,a subwoofer as music lover like I will recommend Dj’s and music lover.fantastic.”

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William H.
Verified Buyer

“I think it's very cool, everyone wanted to know what was I wearing at work and they liked it to.”

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Robert K.
Verified Buyer

“I bought it for my daughter for her birthday she absolutely loves it need to buy one for myself.”

M
Marlon I.
Verified Buyer

“I love it, it made my headphones even sound way better and the bass that I feel is incredible!.”

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Hans J.
Verified Buyer

“If you use Woojer with headphones that have a good and full bass, the experience is fantastic.”

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paul k.
Verified Buyer

“Fantastic ! I the Woojer Strap every day at work. My workmates are jealous ! (they should be).”

L
Latu T.
Verified Buyer

“Bought for my partner. He never misses a day without taking it to work with him. He loves it.”

S
Sam
Verified Buyer

“Being able to feel music is a fantastic experience, it makes you feel like you are where its created, and the sound suddenly has life. The only think they could improve is how the strap attaches. After a little use. This starts to feel less secure.”

Q
Quincy N.
Verified Buyer

“It works amazing with Dubstep, DnB, Techno etc. I'm a metalhead myself and Metal and Rock are a little less fitted for the Strap, but it still works like a charm! I would recommend to buy only if you really know how to listen to music the right way.”

J
Joakim S.
Verified Buyer

“Using the Strap gives the music listening the extra physical dimension similar to a consert when you also feel the bass and low end frequencies. I plan to use it together with my in-ear monitoring as I’m a musician to get the bass and bass drum thump.”

M
Melonie S.
Verified Buyer

“I bought this for my hubby for Christmas as he loves his music, neither of us had heard of anything like this. He put on one of his favourite songs and almost shed a tear at the experience. Seriously recommend this as the perfect gift for any music lover.”

D
Daniel T.
Verified Buyer

“Small size, inexpensive but still impressive. Anyone wanting to feel sound can do so.”

A
Arpad C.
Verified Buyer

“The Strap works well, perfect product usually you can feel some vibration with music.”

R
Robert V.
Verified Buyer

“Very good. Did not think this thing had the power but was impressed with the outcome.”

Z
Zorana V.
Verified Buyer

“So happy with this product. I got it for my boyfriend and he absolutely loves it!.”

T
Taco N.
Verified Buyer

“My overall experience is still Good. With a Good pair off Headphones its amazing.”

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Paul C.
Verified Buyer

“You guys covered me with my problems. . . Now all is brilliant love it 100 /10 💯.”

A
Alison W.
Verified Buyer

“I bought the strap for my husband's birthday a couple of days ago. So far, he is very pleased with it. He loves the experience and looks forward to experimenting with some solfeggio tones. I have a feeling it will be a challenge to communicate with him soon!! 😂.”

G
Garfield P.
Verified Buyer

“This Strap feels great, its like you have a portable night club sound on you.”

F
Frédéric I.
Verified Buyer

“Incredible sound experience. Like to wear my Strap during my roller's treks!.”

A
Anthony J.
Verified Buyer

“I was amazed on how I could feel the bass. The only thing I don't like is the strap. I'm a big guy and the strap pops out even pull as far as it can. It could use a longer adjustable strap. Other than that it is amazing. I look forward to using it every chance I get.”

T
Tanya G.
Verified Buyer

“I love my Woojer. Thanks for making a great product that is loads of fun!.”

R
Rob W.
Verified Buyer

“What a surprise to have another sense to now feel sound as well as hear.”

R
Ricardo A.
Verified Buyer

“It's like being in front of a bass speaker on a disco. Nice feeling.”

M
Mr. S.
Verified Buyer

“A very "AWESOME" and "WONDERFUL" new experience in my music life!!!.”

R
Robert R.
Verified Buyer

“It's awesome....I'm getting them for everyone I think would enjoy!.”

D
Drue V.
Verified Buyer

“Love the beat and the volume. The Strap is Rocking in California.”

A
Alexandru R.
Verified Buyer

“Finnaly i get my hands on the package, is working good, i love it.”

G
Gayle K.
Verified Buyer

“I love feeling base and this does exactly that. SO cool! Love it.”

A
Anne S.
Verified Buyer

“Makes you feel music physically, my best music-lover buy ever !.”

K
Kris L.
Verified Buyer

“Bought it as a gift. Recipient loves it and uses it frequently.”

S
Sergey W.
Verified Buyer

“If you appreciate comfort of the music, the Woodjer is for you.”

C
Chad D.
Verified Buyer

“It was better than I thought it was going to be I'm proud owner.”

M
Michel A.
Verified Buyer

“Amazing feeling. "Ouffissime" (word only for french people) !!!.”

J
Jason A.
Verified Buyer

“Very easy to setup and use. Greatly enhances movies and music.”

S
Sean E.
Verified Buyer

“Great, I'm excited to have a more immersive media experience.”

A
Alex J.
Verified Buyer

“I love it! A dream come true! ENHANCES my music experience.”

J
Jim M.
Verified Buyer

“Like seats up front @ a concert with speakers right there!.”

M
Michael W.
Verified Buyer

“It's great. Love how I can feel everything from my music.”

D
Daniel H.
Verified Buyer

“My Woojer is cool. It thumps. So I give it thumps up 👍.”

B
Bethany F.
Verified Buyer

“The person this was bought as a present for loves it.”

C
Christopher H.
Verified Buyer

“Totally changed the way I listen to music on the go !.”

A
Andrew R.
Verified Buyer

“I love feeling the bass to all my favorite songs.”

L
Lamont S.
Verified Buyer

“I bought it for my husband, and he likes it.”

T
Thomas H.
Verified Buyer

“Works great with other Bluetooth peripherals.”

J
Jasmyne R.
Verified Buyer

“The joy of sound in a whole new way = woojer.”

J
Juan C.
Verified Buyer

“It was a heart pounding experience thank you.”

J
Jack Y.
Verified Buyer

“Gift for daughter. She absolutely loves it!.”

N
Nadim S.
Verified Buyer

“Great product and great experience overall.”

A
Andrew
Woojer customer

“Works awesome, looks great, fits amazing.”

R
Ricky R.
Verified Buyer

“This is great I love it love it love it.”

EASY BY DESIGN

Simple to set up.

Place it. Pair it. Play it. Then get on with your day.

Place it
01

Place it

Chest, waist, cross-body or along the spine. Move it until it feels right.

Connect
02

Connect

Bluetooth, USB-C or 3.5 mm. Pair once, then it just finds you.

Play
03

Play

Choose a Woojer session or your own audio. Set the intensity and go.

the app

Play. Exhale.

Image

Your Woojer comes with dozens of guided programs. Pick a moment, not a setting. Free forever. Deeper if you want it.

Free, forever.

Nothing extra to buy.

Sleep, calm, recovery, body comfort, and dozens of sessions are included with your Woojer. They never expire.

YOUR AUDIO

Use what already works for you.

Spotify, YouTube, Apple Music, and even your own tracks. If it makes sound, it works.

WOOJER DEEP™

More personal. Still simple.

Unlock* full library access, advanced programs, Wooju Intelligence, and seamless wearable integrations. All work together to tailor every session to you.

* Optional subscription

Connected Wellness.

Don't just track. Act.

Your wearable tells you how you're doing. Woojer turns those insights into personalized vibroacoustic experiences that respond to you.

Included with your Woojer Deep™ subscription.

from insight to action.

Your wearable measures. Woojer responds.

Connect compatible wellness data to personalize your experience, while your wearable keeps tracking what happens next³.

Explore Connected Wellness

*Illustrative data only. Metrics shown are examples and do not represent guaranteed outcomes. Woojer experiences are not intended to diagnose or treat medical conditions.

Calm DEEP
88
Deeply relaxed
20:00 session♥ 58 bpm
Session length
20m 00s
0:00tensiondeep rest20:00
Resting heart rate
67 bpm
Example session
Session state
Settled
An example of what a supported wearable can show after a session.
Recovery signal
HRV
Example trend

1,000+ PROFESSIONALS

Made for home.
Trusted by professionals.

From everyday routines to wellness practices around the world, Woojer fits naturally into real life.

Strap 4

One band. Everything in it.

Osci™ TRX2 inside.

One patented transducer turns sound into precise, physical feeling.

Pair it. Play it.

Bluetooth 5.0, 3.5 mm in and out, or USB-C audio.

Adjustable. One size.

Wear it on the chest, waist, spine or cross-body.

Up to 10 hours.

Charges over USB-C in about 3 hours.

Your audio. Any audio.

Woojer programs or your own audio, even with headphones on.

See Strap 4 in action.

This is Strap 4

INSIDE STRAP 4

One compact point
of physical sound.

Osci™ turns low-frequency audio into precise physical sensation inside a wearable form.

WOOJER STRAP 4

Take the feeling with you.

$143.00 $169.00
or 4 interest-free payments of $35.75

Everything you need to start, with no required subscription.

  • Osci™ TRX2 high-fidelity haptics
  • Multiple wearing positions
  • Bluetooth, USB-C and analog audio
  • Soft carrying pouch included
  • 30-day money-back guarantee · 12-month warranty
Woojer Strap 4, adjustable strap with the round haptic unit

UNDER THE FABRIC

Technical Specifications.

Strap 4

What’s Included

Woojer Strap 4

Carrying pouch

USB-C cable

3.5 mm audio cable

Haptic Engine

One powerful, patented Osci™ TRX2 transducer

1-250Hz frequency range

Audio

Wired headphone amplifier

Supports Bluetooth headphones

Advanced DSP control

Connectivity

Bluetooth 5.0 audio

3.5 mm TRRS in/out

USB-C stereo audio input

Battery

Up to 10 hours on a single charge

USB-C charging, about 3 hours

Fit

Adjustable strap, one size

Chest, waist, cross-body or spine

Style

Interchangeable covers

Make it yours

TRY IT AT HOME

30-day money-back guarantee.

Use Strap 4 for 30 days. Not for you? Send it back for a refund.
12-month warranty · Free shipping in the US, Canada and EU.

GOOD QUESTIONS

Everything you want to know.

What does the Woojer Strap 4 do?

The Strap 4 is the smallest way to feel sound instead of only hearing it. One patented Osci™ transducer, worn on the hips, chest or cross-body, reproduces the low frequencies in any audio as physical sensation, in silence, anywhere.

A breathing session at a desk, a soundscape on a train, music, films and sessions: vibroacoustic technology in a 240 g band.

What does the Woojer Strap 4 connect to?

Anything that plays audio. The free Woojer Wellness app, Spotify, Apple Music, YouTube, a meditation app or a frequency generator on your phone, tablet or computer.

It also connects to a TV or a computer, for music, films and sessions. Nothing ties it to a platform.

What is the difference between the Strap 4 and the Vest 4?

The Strap has one Osci™ TRX2 transducer in a light band you position where you want it. The Vest has six across the torso in stereo. Both cover 1 to 250 Hz, both run up to ten hours, both connect the same way and both take your headphones. The Strap is the portable way in; the Vest is full-body immersion. Many owners run both.

Why does the Woojer Strap 4 cost what it does?

Because the technology inside it is the same technology inside the Vest and the MAT.

One patented Osci™ transducer reproducing 1 to 250 Hz with the dynamics of the source intact, in a band that weighs less than a phone. Not a motor, not a buzzer: the physical structure of the sound, wherever you are.

Shrinking that engine is the whole achievement. It is what puts real vibroacoustic technology on your hips, in a pocket, on a train, and within reach of far more people than a room ever could.

Is the Strap 4 real haptics or just a buzzer?

Osci™ is a patented oscillating-frame actuator. Not a phone-style buzzer, not a motor.

It reproduces low frequencies accurately and polyphonically, so a long breath, a kick drum and an engine each feel entirely different, and it follows the source instead of pulsing at one level. It is the same technology family that carries the MAT and the Vest, engineered down to 240 g.

Is the Woojer Strap 4 safe to wear over my heart?

The Strap delivers low-frequency sound sensation, the same frequencies you feel standing near a stage, and is designed to meet UL, CE and FCC standards with a magnetic field around five percent of the ICNIRP guideline. It contains powerful magnets, so do not use it if you have a pacemaker or any other electronic or mechanical device implanted or attached to support your body, or if you use a defibrillator. Consult your physician before using it if you have chest pain or pain in your neck or arm, shortness of breath or a heart condition, if you are pregnant, if you take medication (especially for your heart or blood pressure), or if you have any other health concern, such as back pain. If you feel pain, dizziness or anything unusual, stop and ask your doctor.

Can I try the Woojer Strap 4 before I buy it?

Yes, at home. Every order carries a 30-day money-back guarantee: use it in your own setup and return it within 30 days if it is not for you.

What do people use the Strap 4 for?

Sessions and music are where it lives: a wind-down at a desk, breathwork on a train, an album in bed, without a speaker in the room.

Films land the same way.

Will the Woojer Strap 4 fit me?

One size, adjustable from 15 to 65 inches (40 to 165 cm). It fits every body and every position: hips, chest or cross-body.

Does the Strap 4 hurt?

No. Intensity is fully adjustable from a gentle presence to a serious kick, and the sensations are low frequencies, not impacts.

ONE PLATFORM. THREE FORMS.

Want more coverage?

Vest wraps the torso. MAT turns the ritual full-body.