Rainbuvvy OD3 Smartwatch 2.1inches IPS Screen Bluetooth Call Health Monitoring Heart Rate Sleep Monitoring NFC Health Tracker Sports Watch

Screen: 2.1 inch Pixel: 450*485 Touch type: full screen touch Main body: zinc alloy + tempered glass Wristband: silicone band Bluetooth: BT5.0 Compatible systems: Android4.4 (inclusive) and above, IOS9.0 (inclusive) and above APP:ZORDAI Strap: total length 260MM Functions: Bluetooth calls, voice control, always-on screen, games, NFC, stress test, breathing training, calendar, world clock, computer, password protection, custom watch face, weather forecast, music control, step counting, heart rate, Sleep, sedentary time, mileage, calories, message push, etc.