It's a portable party with the Super Sound Karaoke machine! Stream your own music through Bluetooth wireless technology or tune into the FM radio. Sing along to your favourite songs! , , Keep the vocals, turn them down, or take them out completely to let your voice shine. Add an echo, create a harmony, or make your voice sound high, low or like a robot. Try some vocal challenges with the Vocal Coach, then pick your song and sing to a cheering crowd. Create an epic party atmosphere with multi-coloured light projection. Just add a friend to double the fun! There's a jack for a second mic (not included) with separate voice controls. Turn up the tunes, it's party time! , , Requires 6 AA batteries. Batteries included for demo purposes only. New batteries recommended for regular use.