Kensington 72125 Mouse-in-a-Box Wireless Optical USB Mouse (PC/Mac) DiamondEye optical technology responds to your fastest movements with accurate tracking and precise guidance Provides the convenience of 4 programmable mouse buttons and a scroll wheel to reduce repetitive tasks to a single click Wireless receiver connects via USB to PC or Mac and provides mouse with a 6-foot operating range Backed by a five-year manufacturer's warranty and free technical support Ergonomically designed to be comfortable for right-handed users