Wear it properly
The bracelet is best worn after the ulnar styloid
Adjust the size of the wrist according to the adjustment hole; buckle the wrist strap buckle.
The sensor should be close to the skin to avoid moving
Change the bracelet 
Use it for the first time to ensure that the battery is in normal condition.
If the power is not turned on normally, please connect the charger to charge the device.
Install the bracelet app on your phone
Scan the QR code or go to the App Store, app download and install the App 
System requirements
 Android 5.0 and above; iOS9.0 and above; support for bluetooth 4.0.

SMART WATCH,
14×9×3 CM,0.12KG,GLASS,STEEL,BLACK