This is a plug and play dance mat. It IS powered off a USB cable (included).
2 Player Dance Mat - Plug into TV & Play 9 Pre-installed Games with 110 Songs
Japanese Nintendo Wii Bundle with 14 Games, Dance Mat, Fit Balance Board
Startec Games System Gaming Set with Dance Mat and Accessories
Double Dance Mat Plug And Play
HDMI Musical Electronic Dance Mat Camera 64GB Memory Card Interactive Game BLK
Tested Beat Mania Beamani Pocket HELLO KITTY Dance Dance Revolution from Japan 2
