Waterproof grade: IP67
Movement Type: xz5100
Screen display: 1.3inches
Bluetooth:5.0
Battery: 250mAh polymer battery
Charging Method:Magnetic Charging 2 hours.
Standby time: about 20 days,
Working time: about 5-7 days
Appearance material: ABS
Hand strap: Silicone strap
Machine specifications: 56.3*51.5*12.3mm
System:Android 4.4 and above, IOS 8.0and above

heart rate, swimming, basketball, badminton, running, step counting, distance measurement, calorie consumption management, sleep management, exercise goal management, screen display, sedentary reminder, call, call reminder, WeChat/SMS/QQ message reminder.