[. . . ] [. . . ] Confirm that you choose it, after few seconds, your audio device is pairing with the WTX-500. If pairing is ok, then, the blue led of the Air amplifier will be fixed. Just play music on your device as you normally would and the sound will come out of your HiFi system. If you move out of range or turn off the Bluetooth feature on your audio device, the Bluetooth Music Receiver will disconnect from your device. [. . . ] [. . . ]