Product parameters Screen:1.69-inch TFT 240*280 Touch Panel:Full touch screen Battery:180Mah App:FitPro Charging method:Magnetic charging Waterproof:IP67 Screen Diagonal: 1.69" Waterproof Rating: IP more→67 Heart Rate: Yes Pedometer: Yes Calorie Counter: Yes Compatibility: Android 5.0 , IOS 9.0 Hardware parameter Bluetooth: BLE 5.0 System version:Android above 5.0 or IOS above 9.0 Software function Custom wallpaper, Bluetooth call, music control, social APP message reminder, incoming call reminder, SMS reminder, multi exercise, alarm clock reminder, sedentary reminder, search for mobile phone, music playback, stopwatch, step counting, distance, calories, sleep monitoring, heart