Meet KuaiFit: multi-sport headphones with sensors to provide you with coaching. These headphones have a heart rate sensor and accelerometer. They measure your heart rate, speed, distance, cadence, calories, and laps. You get training programs for cycling, running, and swimming.
💪🏾 Trending strength training:
The device has 8 GB of memory. It is waterproof to 3m and has 7 hours of battery life.
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