Dolphin Audio Co. SP-6R BT - Rechargeable Tailgate Speaker - Bluetooth/SD/USB/FM/AUX/MIC/GUITAR/RCA(IN/OUT) Wireless microphone and remote included High Capacity 4500mAh Battery for long playing times Has all in the inputs and outputs you need: Bluetooth, SD or USB, FM, AUX, Microphone/Guitar, RCA(IN/OUT) 50W RMS (Loud) Trolley handle, wheels, and remote control Included for added portability