D20 Smart Watch. Screen size: 1.3 IPS color screen, Bluetooth version: BLE 4.0, Battery capacity: 100mAh, Waterproof rating: IP67, System: Android system 4.4 version or above,iOS system 8.0 version or above, Screen resolution: 240*240, Charging method:USB charging. Features: Heart rate monitoring,blood pressure monitoring, Standard sport function (step, distance, calories), Sleep monitoring (sleep time, sleep quality, Multi-sports mode:walking,running,cycling,badminton,climbing, Call reminder,message reminder,sedentary reminder,remote camera, Alarm clocks,stopwatch,bidirectional anti loss.
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