Avantree Roxa Bluetooth 4.0 audio/music receiver with 5V/1A wall charger for Home sound system Hear your favorite tunes reach their potential with the Avantree Roxa music receiver. With Bluetooth 4.0 technology and incorporating the latest aptX decoder, each song will boast an exceptional audio quality. Create your own wireless hifi audio system by connecting it with your Bluetooth-enabled mobile phone or tablet Want to stream from your phone and your tablet? No problem. This Bluetooth music adapter is able to connect to 2 devices simultaneously There's no complicated manuals to read through and no installation required. Simply plug in and play Choosing between listening to your music and charging your battery becomes a thing of the past with the Roxa Bluetooth adapter. The extra 1A USB charging port allows you to top up your external device's battery and listen to your tunes at the same time By being able to draw power from any AC socket, this battery-free Bluetooth audio receiver can run continuously, leaving you to enjoy your music without worrying about your device running out of juice