Train your lungs. Feel the difference.
The dual-resistance breathing trainer that builds lung capacity, endurance and calm — in just five minutes a day.
Everything your lungs have been missing
One small device. Real, measurable gains in the way you breathe, move and recover.
Boost lung capacity
Strengthen your respiratory muscles and take fuller, deeper breaths.
6 resistance levels
Independently adjust inhale and exhale resistance as you progress.
Soft-touch silicone
A comfortable, food-grade mouthpiece that never presses or pinches.
Train anywhere
Just 51g. Slip it in the travel case and breathe better on the go.
Stronger lungs in three simple steps
No app, no complicated setup. Just breathe — and let the resistance do the work.

Set your resistance
Twist the two dials to choose your inhale and exhale resistance level.

Breathe through it
Place the soft silicone mouthpiece and take slow, controlled breaths.

Train 5 min a day
Repeat daily and feel your capacity and control grow week after week.
Wherever you train, Kevenza trains with you
Running, the gym, cycling, the trail or your living room — stronger breathing goes everywhere you do.






Soft silicone that feels like nothing
The dual mouthpiece is molded from soft, food-grade silicone with a gentle dotted grip — so you can focus on your breathing, not on your jaw.
- Food-grade, BPA-free silicone
- Ergonomic dual mouthpiece fits every face
- Rinses clean in seconds

Dial in your resistance
Two precision knobs let you tune inhale and exhale resistance independently. Start gentle, then push your limits as your breathing muscles grow.
- Independent inhale & exhale control
- 6 progressive resistance levels
- Durable ABS body built to last
From gasping to going the distance
Drag the slider. A few weeks of daily training is all it takes to breathe easier and run further.

BeforeAfter Kevenza
Ready to train, right out of the box
Everything you need to start — and to keep it clean and protected for years.
- 1Kevenza dual-resistance breathing trainer
- 2Hard zip travel case
- 3Adjustable lanyard strap
- 4Cleaning brush
- 5Quick-start breathing guide
Questions, answered
Everything you want to know before your first breath.
How often should I use it?
Is it hygienic to reuse?
Who is it for?
Can I adjust the difficulty?
What's your return policy?
Real people. Real breathing gains.
Rated 4.8/5 across thousands of verified reviews.
Three weeks in and I can hold a note singing so much longer. Wish I'd found this sooner.
Vocal coach
Simple, sturdy and it actually works. My resting breathing feels calmer already.
Verified buyer
My physio recommended lung training after being sick. This made it easy to stay consistent.
Verified buyer
Great for freediving prep. The adjustable resistance is a game changer.
Freediver
Tiny but tough. Lives in my gym bag now — five minutes and done.
Verified buyer
Breathe like you mean it.
Join thousands training their lungs with Kevenza — five minutes a day is all it takes.
30-day money-back guarantee · Free shipping over $40