When the watch is switched off, long press S2 and S3 buttons until “ON” shows in the center of dial, then the watch will be switched on.
Android phone: Install from Google Play
iphone: Install from APP Store
Long press S1 button (for about 3 seconds) until the bluetooth icon shows and flickers on dial, which means bluetooth has been turned on.
Congratulations, you have successfully connected to the smart watch.