Chileaf X-Fitness is an application that can connect to our company's Bluetooth devices. The devices supported by X-Fitness include heart rate belts, bracelets, body fat scales, skipping ropes, cycling and other equipment Chileaf X-Fitness can detect and analyze your heart rate, exercise and other health data in real time, so that you can self-adjust your daily routine. Chileaf X-Fitness saves sports historical data in real time Chileaf X-Fitness supports Chinese and English languages Chileaf X-