True Wireless Stereo - connect 2 speakers via Bluetooth for stereo sound. Features colorful LED lights and disco ball with various modes. USB Micro SD and Aux inputs connect non-Bluetooth devices. Adjustable mic stand holds two microphones. Guitar input and 2 mic inputs. Mobile device holder. Control panel for volume echo control bass/treble. Frequency response: 20Hz-20kHz. RMS Power: 50W. Battery capacity: 12V 4500mAh. Includes: Remote control. Wired microphone. Charging cable.