O2 Trainer Official Bas Rutten Inspiratory Muscle Trainer Any Altitude Lungs

Item Description:Boost your endurance and breathing performance with the official Bas Rutten O2 Trainer, the patented inspiratory muscle training device trusted by athletes and fitness enthusiasts worldwide.Brand New & Factory Sealed – never opened, in original packaging.✅ What’s Included:O2 Trainer Device14 Air Intake Caps for Adjustable Resistance1 Nose PlugUser Manual💪 Features:Engineered to improve cardiovascular endurance and lung strengthIdeal for use during running, lifting, swimming, yoga, or even singingCompact and portable – train anywhere, anytimeProgressive resistance design builds diaphragm strength over timeSuitable for all fitness levels📦 Ships fast with care.📍 Made in China