The world's first wireless cell phone and music adapter for general aviation! BluLink reduces the need for extra cables and adapters, creating a safer and more trouble free cockpit. Use your GA headset along with BluLink to wirelessly connect to your cell phone an music player. BluLink even allows you to wirelessly control the music. Just use the buttons on the device to select songs on your Bluetooth music streaming cell phone or portable music player such as an iPod (Note: a Bluetooth dongle may be required and are available from www.edmo.com)Use BluLink to wirelessly control music from your Bluetooth music-streaming phone or music player. If a call comes in while music is playing, the music will pause and you can answer the call by pressing the answer call button. After the call is ended, the music will begin to play automatically.Bluetooth devices need to be ""paired"" with each other beforehand. Once Bluetooth devices are paired, there is usually no need for pairing again.Before you can use BluLink to make a call or to listen to music, it must be paired with your bluetooth enabled phone and/or music device.In the battery compartment are 2 switches. Mono/Stereo switch for Mono type intercom. And a switch for auto mute. BluLink will mute your music source when anyone, including ATC, speaks over the intercom.