Kensington Optical Desktop Wireless is a combination of a slim, low profile keyboard with tactile easy hit keys that provide ultimate typing comfort and Optical Mouse with 4 programmable buttons, and rubber side grips. It assures you quick access to multimedia and Internet functions. The desktop's DiamondEye optical technology provides unmatched acceleration and control. Its wireless connectivity is ideal for workspace freedom as there are no messy wires. Kensington Optical Desktop Wireless features 2M wireless range with over 1000 individual ID's for safe use in a multi-user environment.