Meet the KUAI headphones: a pair of headphones designed to help you train smarter. It serves as your heart rate monitor, sport watch, music headset, and virtual coach. It measures your heart rate, calories burned, cadence, distance, VO2 Max, and speed. Whether you love running, swimming, or cycling, these headphones have you covered. They can work with or without your phone.
More gadgets like this ➡️ : here
The device lets you create custom workouts. It features Bluetooth and ANT+ connectivity. You can download training plans to work on your game. Yet another interesting Kickstarter project.
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