Sing along and feel the karaoke vide with BeatMaster, an awesome multimedia entertainment system that combines high-powered sound and visual style bring your party to life. Set up a cool karaoke singing party in just minutes with the included professional handheld microphones. Bluetooth wireless streaming lets you connect and stream audio from all of your favorite devices(smartphones, tablets, etc.,) A built-in rechargeable battery, and FM, USB & TF card reader make BeatMaster extra portable - to party on the go!