This Portable Tailgate Speaker with 15" Woofer is a portable sound system that includes speakers an amplifier audio inputs and wireless Bluetooth technology all in one durable cabinet that has handles and wheels for easy transport. Tailgater Bluetooth's wireless capability means you can keep your iPad iPhone or other Bluetooth music-playing device right by your side as you blast your music over Tailgater Bluetooth's powerful speaker. If you'd rather listen to your favorite radio station or to the big game just dial it in on Tailgater Bluetooth's built-in FM radio. Tailgater Bluetooth has a built-in battery with a charge indicator and will provide up to 5 hours of cordless sound. Or you can use the included power cord and Listen as long as you want. FM Radio and USB/SD ports USB Player with Remote Control; Metal grill cover; 15" Woofer; (2) 1/4" TRS Microphone connectors; Aux-in; 12V Rechargeable Battery Battery life on half volume approximately 6 hours; AC UL Adapter 100-240V; Handle Bars and Wheels; Integrated 36mm pole mount socket.