True Wireless Stereo System with Bluetooth 5.0 12 subwoofer and 1 tweeter for powerful sound Multi-color flashing LED party lights for added fun Built-in rechargeable battery with up to 3.5 hours of playback Includes a wireless microphone for karaoke and events USB, Micro SD card, and AUX inputs for versatile playback FM radio with digital LED display for added functionality Convenient trolley and wheels for easy transport Rugged and durable molded cabinet design for indoor/outdoor use