8' subwoofer and 1' tweeter for 580W dynamic sound output Built-in rechargeable 3600mAh battery for up to 3.5 hours of playtime Bluetooth 5.0 for seamless wireless audio streaming Multi-color LED lights and disco ball for vibrant party effects Includes two wireless microphones for karaoke and events USB, AUX, and SD card input options for flexible playback Durable ABS and wooden construction with trolley and wheels for portability Microphone echo, bass, and treble adjustment knobs for customized sound