Boss Audio - MR1308UAB MP3/AM/FM/USB/SD Bluetooth Receiver - MR1308UAB. Features: MP3 Compatible Solid State Receiver AM/FM USB/SD Card Slot Front Aux-In Wireless Remote Bluetooth 4 x 50W WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.