800W max power output for loud, clear audio projection 8 subwoofer & 3 tweeter for deep bass and crisp highs Wireless UHF microphone for karaoke, events, and speeches Built-in Bluetooth 4.2 for wireless music streaming Rechargeable battery with optional 12V external power input MP3 playback via USB & micro SD card slots (up to 32GB) Recording function saves audio directly to USB/SD card Aux (3.5mm) & ¼ mic input for wired connections LED battery indicator & rotary control panel for easy use Compact, durable ABS molded cabinet with carrying handle