Configuration information Memory: 128MB Supported mobile systems: Android 5.1(or above), IOS 8.0(or above) Bluetooth: BLE5.1 Waterproof rating: IP67 Material: Plastic + Zinc alloy Screen resolution: 200*320 Screen type. 1.57 Full lamination HD Battery capacity: 230mAh Function profile Answer, make calls, switch between multiple dials, self-editing dial, call log, dial pad, contacts, call alert, time display, timer (stopwatch,countdown), find bracelet, alarm, weather, photo control, music control, flip wrist light up, time format switch, stress relief sleep aid, torch, drain function, brightness adjustAdultt, do not disturb mode, theatre mode, vibrate switch, Bluetooth switch for calls, voice assistant, OTA, blood oxygen detection, blood pressure detection, heart rate detection, sleep detection, sedentary reminder, cycle reminder, water reminder, dial selection, all-day heart rate, QR code download, restore factory settings, pedometer, calorie display, distance Language function Languages supported: Simplified Chinese, Traditional Chinese, English, GerAdult, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese Applications and messaging languages: Arabic, Bulgarian, Czech, Danish, GerAdult, Spanish, Finnish, French, Hindi, Croatian, Indonesian, Italian, Japanese, Korean, Norwegian, Dutch, Polish, Pashto, Portuguese, Russian, Swedish, Thai, Ukrainian, Vietnamese, Chinese Simplified, English, Chinese Traditional