Rainbuvvy S216 Android 7.0 Smart Watch 1.78inch AMOLED HD Screen Bluetooth 5.3 IP68 Waterproof GPS Smart Watch Support Heart Rate Multi-Sports Mode

Model name: S216 Screen size: 1.78inches Main chip: ATS3085C Button: 1 physical button + optical knob encoder OS: Android 7.0 or IOS 12.0 above Bluetooth: BLE 5.3 + BT Heart rate sensor: HX3918 Appearance: Aluminium alloy+ABS Screen resolution: 368×448 Screen type: AMOLED HD screen Waterproof level: IP68 Strap materal: silicone Watch size: 45.9x38.6x12.4mm Battery type: Lithium Polymer Battery Battery voltage: 3.8V Battery capacity: 350mAh Charging method: Magnetic charging Charging time: 2 hours

Function: Multiple theme styles, custom dials, pedometer, brightness adjustment, long bright screen mode, raise hand bright screen, multi-sport mode, GPS movement track, sleep detection, stress measurement, female physiological cycle, heart rate, blood oxygen, respiratory training, message push, remote control music, remote photo, real-time weather, find mobile phone (connected to the phone to use), alarm, timer, stopwatch, do-not-disturb mode, bluetooth call, and so on.