Reconnecting paired devices
Turning on Bluetooth on your mobile device
![Ope iPhone Bluetooth ON AHGC20](fig/Ope iPhone Bluetooth ON AHGC~_IEDGILpobrbbiw.png)
For details, see the Owner’s Manual of the Bluetooth device that you want to connect.
Press and hold the control button for 1 second to turn the headphones power on
![Ope PowerON AHGC20](fig/Ope PowerON AHGC20_RQIFILjinunknc.png)
A beep sound is heard and the Bluetooth indicator lights purple for approximately 1 second.
The Bluetooth function turns on when the power is turned on.
The headphones automatically connect via Bluetooth to the Bluetooth device
If the device is not connected, select “DENON AH-GC20” from the list of devices displayed on the screen of your Bluetooth device.
![Ope Select Device AHGC20](fig/Ope Select Device AHGC20_IEDGILotidxblp.png)
The Bluetooth indicator on the headphones lights blue for approximately 5 seconds when the Bluetooth connection is complete.
Playing back music on the Bluetooth device
Music played back on the connected Bluetooth device is output from the headphones.