Bluetooth headset smart bracelet
Support system: Android 5.0, IOS10.0 and above
Colour: Black
Waterproof rating: IP67
Screen resolution: 240*240
Screen size: HD 1.28IPS color screen
Battery capacity: 350mAh polymer lithium battery
Bluetooth: 5.0
Life time: 5-15 days
Functions: heart rate, blood oxygen, blood pressure, exercise, alarm clock, sleep, weather, incoming calls, wireless earphones, etc.
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