Major function Custom wallpaper. Bluetooth call, music control Social APP message reminder, incoming call reminder, text message reminder, heart rate, multiple exercise, alarm clock reminder, sedentary reminder, mobile phone search, music playback, stopwatchChipset Supplier /Chipset HS6620+BK3266APP FitProCompatible System (Compatible System) Android5.0 or higher IOS9.0 or higherFLASH memory (FLASH memory) 512KB+16MScreen size 1.69Pixel (Resolution) TFT 240*280Touch Type (Type) Full touch screenBT BT 5.0Gravity Sensor (G-Sensor) 3D-gsensorBattery type (Type) polymer lithium batteryCapacity (Capacity) 3.7V/180mAhCharging Method (Charging Method) Magnetic attractionAPP Language (APP Language) supports English, Simplified Chinese, Traditional Chinese, Dutch, Russian, French, German, Portuguese, Spanish, Turkish, Japanese, Polish, Arabic, Malaysian, Thai, Czech, SlovakWisebrave/watch Language (wisebrave/watch Language) Simplified Chinese, English, French, Spain, Portugal, Russian, German, Netherlands, Turkey, Malaysia, Poland, Czech Republic, SlovakiaFitPro steps, distance, calories, sleep monitoring, heart rate monitoring, blood pressure, blood oxygen, search device, language switch, raise your hand to light up the screen.Waterproof Level (Waterproof Level) ip67Charging time 1.5HLife time 3 DaysWristband size (Wristband size) Total length 226.6mm, width 20mmAppearance material Zinc alloy + ABSPackageWatch*1Watch strap*1Charging cable*1