1.Memory: 128M 2.Standby time: about 3 days of regular state use 3. Life waterproof 4.Supports Wireless charging 5. Functions: Support Bluetooth call, pedometer, exercise steps, exercise mileage log, calories burned, multi-sport mode, true rate, true blood pressure, games, voice assistant, sleep monitoring, sedentary reminder, incoming call reminder, message reminder, stopwatch, music control and playback, photo control, frequently contacted people, call logs, bluetooth call, manually customize the time adjustments, alarms, weather, APP dials push, OTA upgrade, charging bedside lamp, and more. OTA upgrade, charging bedside lamp, resting clock, support push and customized dials