Use for your home entertainment seminars events and more. 15" High efficiency woofer. 15" High efficiency woofer. Bluetooth wirelessly streams audio from an enabled device. True Wireless Stereo (TWS) - connect 2 speakers via Bluetooth to play at the same time. Built-in rechargeable 12.8V 5.5A 5500mAh battery. USB port Micro SD and Aux inputs play audio from non-Bluetooth devices. FM Radio. 1 Mic input. AC Power supply: 100-240V. DC input compatible. RMS Power: 2 x 20W. Includes Microphone and Remote control.