Boss 615UA In-Dash MP3 Compatible Solid State AM/FM Receiver SD Memory Card Slot 50 Watts x 4 Channel Power USB Port & Front Aux-In MP3 Compatible Solid State AM/FM Receiver Wireless Remote Control MP3 Compatible Solid State AM/FM Receiver USB Port; SD Memory Card Slot; & Front Aux-In Wireless Remote Control 50 Watts x 4 Channel Power