A 15" 800W mobile sound system with remote control, an integrated USB port, and SD slot for MP3 playback. This all-in-one system features a Bluetooth receiver for audio streaming and two UHF wireless microphones that operate on different frequencies. It can be powered by the mains or a built-in 12V battery, making it efficient for outdoor use. It comes with a retractable handle and wheels. On the back, there are two microphone inputs and an echo effect for all microphones, an AUX line input, an MP3 control panel, sound controls, and more. The entire system is essential where good sound reproduction is desired.