This product is super easy to use and provides numerous benefits that don’t take long to see and all you have to do is breathe

This product is super easy to use and provides numerous benefits that don’t take long to see and all you have to do is breathe  Read Less

Ive had several types of elevation masks and bass o2 trainer is by far the most flexible adjustable and convenient

Ive had several types of elevation masks and bass o2 trainer is by far the most flexible adjustable and convenient  Read Less

With just 3 weeks of consistent use 45 days per week i have experienced significant and unexpected positive effects from this device

With just 3 weeks of consistent use 45 days per week i have experienced significant and unexpected positive effects from this device  Read Less

Wouldn’t use it too hard with a bad tooth get that fixed and you’re golden

Wouldn’t use it too hard with a bad tooth get that fixed and you’re golden  Read Less

For the price its more than fair because it works

For the price its more than fair because it works  Read Less

I would go with the knock off product since it works easier with less pieces and 13 the cost

I would go with the knock off product since it works easier with less pieces and 13 the cost  Read Less

Had a little hiccup with my initial delivery but support was very helpful and sent out functioning o2 trainers

Had a little hiccup with my initial delivery but support was very helpful and sent out functioning o2 trainers  Read Less

I received a blue version of this otherwise it is precisely what i ordered

I received a blue version of this otherwise it is precisely what i ordered  Read Less

Great alternative to the face mask counterparts

Great alternative to the face mask counterparts  Read Less