This item is a 4 button controller pad for use with Nintendo DS Lite. There are 4 different coloured buttons, as used in games such as Guitar Hero: On Tour. Use this to rock out on games such as Guitar Hero and similar style games. It comes complete with a useful hand strap.This controller is designed for use with Nintendo DS Lite, and not for the older, bigger Nintendo DS.Useful as a replacement control pad, or a control pad if you have an R4 / N5 / DSTT / Acekard etc.