This Professional Speaker is built with a powerful 15" high efficient woofer. Wirelessly stream audio via Bluetooth from an enabled device. True Wireless Stereo (TWS) - connect 2 speakers and play simultaneously to double audio output. USB SD Micro SD and Aux inputs play music files and non-Bluetooth devices. FM Radio option. Flashing lights on woofer. 1 Microphone input. 1 Guitar input. Built-in handle and wheels. Frequency response: 40Hz-20kHz. 600 Watts peak power. AC Power supply: 100-240V 50/60Hz. Includes microphone and remote control.