Pair a Bluetooth device with your Apple Watch
Bluetooth is a wireless connection which is used to connect to your Apple Watch. You can also use Bluetooth to establish a connection to eg. a wireless headset.
Tap the Digital Crown.
Tap the settings icon.
Pair Bluetooth device with your Apple Watch
Tap the required Bluetooth device.
The other Bluetooth device needs to be turned on and be ready to connect via Bluetooth.
Return to the home screen
Tap the Digital Crown to return to the home screen.