Bracelet size (mm) 50*38 * 11.5mm Weight 22g Color black, pink, army green Main features (Major function) custom wallpaper. Bluetooth calling, controlled by music social APP message reminder, Call Reminder, SMS reminder, heart rate/blood pressure/blood oxygen monitoring, multi-exercise, alarm clock reminder, remind of long-time sitting, looking for mobile phone, music playing, stopwatch Chip (Chipset) SYD8810 FR3029 APP HryFine Compatible System (Compatible System) Android5.0 or above IOS9.0 or above screen size 1.54 Pixel (Resolution) TFT 240*240 Touch Type full touch screen BT BT 3.0/4.0 Gravity sensor (G-Sensor) 3D-gsensor Battery Type polymer lithium battery Capacity (Capacity) 3.7V/180mAh Charging Method (Charging Method) Charging clip APP Language (APP Language) English, Simplified Chinese, Italian, Portuguese, Polish, Spanish, French, Greek, Hungarian, Russian, Turkish, Dutch, German, Vietnamese, Finnish, Ukrainian. Arabic, Persian, Thai Bracelet/watch Language (wisebrave/watch Language) English, Simplified Chinese, Italian, Portuguese, Polish, Spanish, French, Greek, Hungarian, Russian, Turkish, Dutch, German, Vietnamese, finnish, Ukrainian. Arabic, Persian, Thai