Processor Zhongke AB5610 Display 1.95 inch TFT; Resolution: 240*282 Full fit Memory 32MB Battery 230 mAh pure cobalt battery Usage time: 25 days on standby Normal use: 3-7 days Charging method: magnetic charging method Motor: Flat 0820 Connectivity Bluetooth 5.0 Material Case: plastic bottom case OS compatible with Android phones and Apple phones. SpecialFeatures Bluetooth calling, multiple menu styles, breathing training, custom dial, stopwatch, brightness adjustment, multi-sport mode, sleep monitoring, real heart rate, information push, remote music, remote photography, real-time weather, find mobile phone (connect to mobile phone Use), Bluetooth music playback, calculator, alarm clock, sedentary reminder, step counting: exercise step counting, calorie consumption, exercise mileage record Sensor Pedometer sensor:DA263 Heart rate: BD1688 Supported Apps/ Software M2WEAR Others Language 22 languages (watch side, APP side) IPX4 daily waterproof Exterior Dimension 55*43*11mm Weight 39g Color Black Blue Close