Sound Barrage Wireless Portable Bluetooth Stereo Tube Subwoofer Radio Speaker Drum/Tube Shaped for Maximum sound with built in controls Wireless Bluetooth connectivity with Built-in 1000mAh rechargeable battery for easy carrying and portability USB Port and MicroSD card slot to play your music directly from the speaker as well as a built in FM Radio Horn size: 2-inch | Subwoofer size: 3-inch | Horn output: 2Wx2, 4ohms | Subwoofer output: 5W, 4ohms 3.5 mm AUX cord for use with non Bluetooth items.