This is the OPUMP: a smartphone connected breathing trainer that helps you increase your lung capacity and improve your athletic performance. It comes with Bluetooth connectivity and games to make exercise more fun. The device has a LED display to give you real-time feedback.
The OPUMP is compact enough to easily fit in your pocket. Its app also gives you live feedback. It has personalized training and guides you through tests. It has a 400mAh battery and weighs 100g, so you can easily take it with you anywhere.
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