Hardware specifications. Main chip: NRF52832Memory size: 512KB+64KB plug-in 64MBG-sensor model: SC7A20Heart rate sensor model: VC32Display specifications: 1.69 inch IPS color screen, resolution: 240 * 280Key type: side keys + full panelBattery type: Polymer Lithium battery 230mAhCharging head specifications: 1A or belowCharging method: magnetic chargingOverall size: length 50.4mm/1.98, width 40.5mm/1.59, thickness 11.3mm/0.44Other parameters. Standby power consumption: standby 30 days, 8 days of normal use (based on 230 mAh battery)Bluetooth type: Bluetooth 5.0Font push type: Multi-language fontSupport APP: Qwatch proCharging voltage: 5.0VSupport languages: APP supports more than 20 languages (Chinese traditional, Chinese simplified, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Romance languages, Portuguese, Arabic, Greek, Dutch, Polish, Turkish, Indonesia, Thailand, Vietnam); bracelet push support 50 languages; UI display support 20 languagesCell phone system requirements: Android4.4 or above, IOS8.2 or aboveFunction. Sports record: step counting, exercise mileage, calorie consumption, breathing training, 22 kinds of sports mode Health monitoring: heart rate measurement, blood pressure measurement, sleep monitoring, blood oxygen measurement, one-touch measurementSmart reminders: customized alarm reminders, water reminders, sedentary reminders, call reminders, etc., message pushing (SMS/QQ/WeChat/Skype/Facebook/Twitter/Line/WhatsApp)Other functions: mini-games, calculator, flip wrist bright screen, dial market, custom dial, time display, bracelet reject calls, support APP over-the-air upgradePromise: Iftheproducthasanyqualityproblems,pleasefeelfreetocontactus,and wewillhelpyousolvetheproblemasquicklyaspossible.Package Contents: 1 * watch