This clip on controller for the Nintendo DS Lite slides in to the cartridge slot. What the controller does is ads 4 input buttons which allow you to jam away to guitar hero. To keep the DS safe a strap is also included which keeps the DS attached firmly to your hand. When hitting the buttons on the guitar you can use your other hand to strum the guitar strings on the touchscreen.
Dimensions: 3.78 in x 3.31 in x 0.98 in
Weight: 2.82 oz