1.8 inch IP67 Waterproof Smart Watch 1. Basic functions: time and date display, step counting, calories, distance, stopwatch, countdown, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep monitoring (sleep time, sleep ), bracet brightness adjustment, bracet MAC address viewing, 16 Various sports modes (walking, running, cycling, golf, rope skipping, basketball, football, swimming, mountain climbing, trail running, yoga, fitness, dancing, hiking, indoor walking, indoor running), the first interface of the bracet 4 1 dial UI can be switched, 1 custom dial (depending on the actual bracet)2. Reminder function: call reminder, SMS, QQ, WeChat, , , LinkedIn, , LINE, , Snapchat, Skype, G, and other applications, reminder function, sedentary reminder, alarm clock reminder, drink water reminder, Period reminder3. Featured functions: WeChat sports access, sports goal setting, fitness information sharing, smart alarm clock, turning the wrist to turn on the screen, time to turn on the screen, find mobile phone, reject calls, to take pictures4. System requirements: Android 4.4 and above, IOS 9.0 and above, support Bluetooth 5.05. Bluetooth version: BLE 5.06. Bluetooth chip: Huiding GR5515I0ND+Jerry7. Heart rate chip: HX36008. Bracet memory: RAM 256KB + ROM 64MB9. Screen display: 1.8 inches Hancai gl IPS resolution 240X28610. Battery capacity: 320mah11. Standby time: about 30 days12. Working time: about 7~10 days13. Physical buttons: full touch plus 2 buttons14. Motor: built-in vibration reminder15. Charging interface: magnetic suction line16. Waterproof grade: IP6717. Supported languages:UI languages: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, PortugueseBracet font firmware languages: English, Simplified Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Tradit