Screen size: 0.96 Battery capacity: 100mah Wireless distance: 5m-10m Pedometer: Display exercise step counting, exercise is more efficient Heart rate: Built-in optical sensor to monitor heart rate index Blood pressure: accurate and real-time monitoring of current heart rate Sleep monitoring: monitor sleep quality when sleeping at night Mileage: Display the mileage of steps Calories: display sports calories Power: display the current power Bluetooth: call, music Alarm reminder: full sleep monitoring, alarm vibration wake up Call reminder: vibrate reminder, not miss important calls Sports: running, distance, calories Bluetooth reminder: Sedentary reminder, information, Facebook, Twitter, Instagram, WeChat, qq, Weibo and other social software reminders Waterproof: IP68 Other functions: Retrieve the bracelet, bracelet alarm clock, take pictures remotely, raise your hand to brighten the screen.