Boss Audio Single-DIN CDMP3 Receiver wBluetooth MR508UABW Single-DIN CDUSBSDMP3WMAAMFM Receiver wBluetooth Features Weather Proof 50 Watts x 4 Max Power, BalanceFaderBassTreble and Preset built-in EQ Plays BluetoothCDUSBSD, MP3, WMA, FMAM, Digital Media from Smart Phones Compatible with Audio out from Smartphones and MP3 Players USB, SD, Aux, Input Front Rear Pre Amp Outputs Wireless Remote Bluetooth Hands Free, Make and receive calls, Bluetooth Audio Streaming. Play and control music and apps