DESC: The comfort of the Logitech LX6 Cordless Optical Mouse brings a soft rubber grip and contoured shape that offers comfort and control for either hand. Its extended battery performance provides up to 8 months of life - even longer with usage of the on/off button.The LX6 is two-and-a-half times more responsive than standard optical mice. The 1000 dpi high-definition optical technology delivers smoother, more accurate cursor control and navigation results.