Walking Wristband Waterproof-Activity Tracker Watch with Heart Rate Monitor Calorie Counter Waterproof Fitness Watch Pedometer Watch for Kids Women Men Blue

System requirements: Android 4.4 and above, IOS 8.0 or above, support for Bluetooth 4.0

Bluetooth version: BLE 4.0

Screen display: 0.95 inch color screen OLED

Battery capacity: 200 mAh

Standby time: 30 days or so

Working time: 10-15 days or so

Waterproof rating: IP68