The Nintendo DS Guitar Hero On Tour Hand Grip Controller is a black plastic controller designed for the Nintendo DS platform. It is compatible with the Nintendo DS model and is a controller attachment that can be connected via a wired interface. The hand grip controller features a clip-on design for easy attachment and has a cable length of 1 foot. This Nintendo-branded controller is suitable for playing Guitar Hero and other music rhythm games on the Nintendo DS console, providing a convenient and immersive gaming experience for solo players.