Hardware Specification CPU chip: NRF52832 Memory size: 512KB+64KB, external 64MB Display: 1.69 inch IPS color screen, resolution 240*280 Key mode: side button + full touch Bluetooth version: Bluetooth 5.0 G-sensor model: SC7A20 Heart rate sensor model: VC32 Motor type: Non-SMD motor 0827 Battery type: Lithium polymer battery 230mAh Charging voltage: DC 5V Charging output: 1A Charging method: magnetic charging Standby time: Standby for 30 days, normal use for 8 days.(calculated by 230mAh battery) Watch APP name: Qwatch pro Phone system requirements: Android 4.4 or above, IOS 8.2 or above. Dimensions: 50.4(L)x40.5(W)x11.3(thick)mm Functions Sport recordSteps, distance, calories, breath exercise, 22 sport modes(Walking/Running/Hiking/Exercise/Cycling/Swing etc Health Monitorheart rate, Blood pressure, sleep monitor, Blood oxygen measurement RemindersAlarm clock, Drink reminder, sedentary reminder, call reminder etc. Message Notification: SMS/QQ/Wechat/Skype/Facebook/Twitter/Line/WhatsApp OthersGame, Calculator, Raise to wake, Dial Market, Time, reject a call on the watch, OTA upgrade. Supported Languages APP supports more than 20 languages. ??(Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Romanian, Portuguese, Arabic, Greek, Dutch, Polish Language, Turkish, Indonesia, Thailand, Vietnam) Message push supports 50 languages. System UI supports 20 languages.