Wearable Devices, Smart Watch, Activity Watch manufacturer / supplier in China, offering 2019 New Sport Smart Watch Dt28 Chipnordic Nrf52832 (512Kb+64Kb) Waterproof IP68, Multi-Functional Fitness Deep Waterproof Watch Monitor Heart Rate Watch Wristband Smart Watch S10, Round Touch Screen Smart Watch Blood Oxygen Blood Pressure Monitoring Meter Waterproof Smartwatch and so on.