Parameter: Display: 1.96-inch HD Touch TP: full screen touch Buttons: 2 buttons with encoder Battery: 420mAh high voltage and large capacity Working time: 7-10 days Standby time: about 50 days Bluetooth: BLE5.2 APP:gloryFit System support: Android 4.4 or above, IOS 9.0 or above, Apple 5S or above Waterproof level: 3ATM Function: Continuous heart rate, one-click k, Bluetooth calg, true blood oxygen saturation, blood pressure monitoring, sleep monitoring, brighess adjustment, breathing training, voice assistant, raising hands and screen, information push, APP message reminder, more than 100 sports modes, weather Forecast, flashlight, clock display, alarm clock, SOS mini-game, calculator, female menstrual cycle, music playback, multi-function dial, custom wallpaper, sedentary reminder, do not disturb mode, search bracelet, remote camera, step counting, distance , calories, and more language: Watch languages: Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Polish, Russian, Indonesian, Turkish, Dutch, Czech, Traditional Chinese, Vieamese APP languages: Ukrainian, Russian, Indonesian, Turkish, Hebrew, German, Italian, Czech, Slovak, Japanese, French, Polish, Thai, Simplified Chinese, Traditional Chinese, Romanian, English, Portuguese , Mongolian, Spanish, Vieamese, Arabic, Korean