The Kensington 72216 PilotMouse Wireless Optical USB/PS2 Mouse offers the ultimate combination of comfort and performance. The Kensington 72216 features a unique, ergonomically-designed shape with flexible rubber grips that provides maximum comfort. The speed and pinpoint accuracy of Kensington's DiamondEye optical technology allows it to respond to even your fastest movements with accurate tracking and precise guidance. This mouse not only gives you wireless freedom, but Kensington's interference-free Quick RF wireless technology prevents annoying cursor hesitation to provide ultra-smooth movement and complete control. With a sleek silver-and-black body complimented by its black-rubber fin grips, this stylish mouse compliments any desktop. Easy to use, the Kensington 72216 provides the convenience of two mouse buttons, with a third button and scroll wheel combo. This Kensington optical mouse is guaranteed to work right out of the box on both PCs and Macs, with long-lasting reliability