This 20 Watt continuous/40 Watt max PA system has a 500' audio range for broadcasting music or messages so the entire crowd can hear. It includes extras normally seen in more expensive units like a wireless handheld microphone, USB & SD connections, rechargeable battery (4 hour runtime) and mic & aux inputs for playing audio from mobile devices. Has a Rugged ABS plastic exterior with comfortable handle, SD card slot and USB port. The wireless microphone transmits up to 100 feet and the beefy 5" speaker provides loud and clear sound. 4 lbs, 3 oz.