This Singsation burst machine is a powerful and portable Bluetooth karaoke system. It includes a powerful speaker with built-in effects lights, 2 wireless microphones, and a mic stand. The machine also has an echo feature that can be turned on or off, as well as 6 sound effects (air horn, cheers, applause, etc) to make your performance even more fun. There is a volume control for the music and each mic, so you can adjust the sound to your liking. This machine is perfect for parties, road trips, or anywhere you want to have some karaoke fun.