The Avantree Roxa means that you can enjoy music wirelessly from your smartphone, tablets or other Bluetooth enabled device, through your home stereo or st&-alone speaker system. Roxa is an easy to use Bluetooth 4.0 music receiver for home use, which incorporates the latest apt X decoder for fantastic, high quality music. Plug Roxa into a convenient wall socket, connect to your stereo system, then sit back & enjoy your music- without worrying about Roxa powering off. Roxa will charge your phone or music player at the same time, via its in-built USB (Universal Serial Bus) socket rated at a generous 1A capacity.