The world’s first smart breathing trainer is getting smarter. Increase your energy and improve your overall performance and well-being by respiratory muscle training with the new generation of Airofit PRO 2.0. Gain strength and flexibility in your breathing muscles, optimize your lung function and track your progression over time. Airofit PRO 2.0 features and refinements:  Bluetooth connectivity Advanced Lung Function Measurement Personalized training plan Improved guidance and feedback More accurate result tracking Detailed peer comparison Splash-resistant hardware Magnetic charging cable Long battery life (4-7 days) The Airofit Breathing Trainer provides adjustable resistance to your respiratory muscles. It measures your breathing volume and strength and sends data to your...