Portable PA speaker system with built-in rechargeable battery. Bluetooth 4.2 for wireless music streaming from any device. Multi-color flashing LED party lights for added fun. 10 subwoofer and 1 tweeter for powerful, dynamic sound. FM radio, USB, Micro SD, and Aux inputs for versatile playback options. Includes a wired microphone for karaoke and event hosting. Microphone echo, bass, and treble adjustment knobs for audio customization. Trolley handle and wheels for convenient transport indoors or outdoors.