Oxy Respiratory Trainer | Breathe Easier with Stronger Lungs | Made with High Grade Silicone | Breathing Exercise Device for Lungs | Portable | Adjustable Resistance Settings | Black

It’s the first time my husband use this. His having problems getting enough oxygen or breathing since his collapsed trachea this helps him as his doctor mention there is products out there to health control your breathing. And it’s helping.

Sencillo y fácil de usar. Cuenta con diferentes niveles de esfuerzo para avanzar poco a poco. Recomendado.

La verdad pensé que sería algo diferente pero al momento de correr me lo puse y empecé a babear como un bulldog así que no no me gustó quizás si sea bueno para ejercicios pulmonares pero para deporte no creo

I bought this item since I vape and been having issues breathing. I think it was helping but it's hard to remember to use it.

Easy to use, comfortable, price and quality good

Honestly this does not seem to do anything

Really impressed with the OxyBio breathing trainer. It’s easy to use and I can already feel a difference in my breathing control and lung strength.

I tried this respiratory trainer, but I didn’t notice much improvement. Maybe I’m doing something wrong, or it just didn’t work for me personally. The device seems well-made, but I didn’t get the results I expected.

conseillé par mon I.A. je l'ai essayer et ça semble excellent aussi...

brilliant product.

very poor construction

It isn't the product that is advertised but clearly a knock off meaning the quality just isn't there and the ease of use is questionable as it has the rotating dial, however, does it actually work given the fact it isn't as per the advertised product so wouldn't expect it to live up to what is described in the listing

If you want what is on the image, don't buy this. If you want an overpriced, knock off chinese branded copy of what is on the image, with different packaging, go for it!