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Bas Rutten O2Trainer: Breathing Muscle Training Device | Breathework & Endurance Tool for Fitness, Singers & High-Altitude Performance | 16 Resistance Caps | Blue
- Designed by Ufc Legend Bas Rutten
- Build Stronger Breathing Muscles
- Customizable Air Resistance Training
- Portable & Easy to Use Anywhere
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Key features
Designed by Ufc Legend Bas Rutten
Created by world champion fighter and conditioning expert Bas Rutten, the O2Trainer is built from real-world experience. It’s the same breathing tool Bas used to push his performance to elite levels—and now it’s available to help you do the same.
Build Stronger Breathing Muscles
Strengthen your breathing muscles and external intercostals with just 30 reps a day. The O2Trainer helps boost oxygen efficiency during workouts, sports, or daily activity.
Customizable Air Resistance Training
Includes 16 interchangeable intake caps to adjust airflow restriction and increase resistance as your stamina and strength improves.
Portable & Easy to Use Anywhere
Lightweight, compact, and travel-ready—no batteries or apps required. Perfect for athletes, travelers, and anyone wanting to train respiratory power on the go.
Performance Enhancement for All
Ideal for athletes, military, singers, hikers, and climbers. Whether you're training for endurance, altitude, or voice control, the O2Trainer is your all-in-one breath trainer.

Bas Rutten O2Trainer: Breathing Muscle Training Device | Breathework & Endurance Tool for Fitness, Singers & High-Altitude Performance | 16 Resistance Caps | Blue
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