http://www.chinabuye.com/yellow-car-designed-mini-usb-3d-optical-wheel-mouse-for-computer
This USB 3D optical scrolling wheel mouse for you laptop and computer is USB interface and supports hot plug & play, and the roll wheel can be easily guided pleasantly and used as the third usable key. World Class optical technology, provide highest precision and suitable for any flat surface. A comfortable fit for left and right control, and reduces the tiredness from long hours working. Scroll wheel speed searches through documents and the web.
