Logitech MX700 Cordless Optical Mouse (930754-0403) MX Optical Engine delivers more accuracy and control on more surfaces than ever before Fast RF cordless technology delivers corded quality on a cordless device in a six foot range, even on crowded desks. Rapid charge base station ensures that your mouse is always ready. Cruise Control scrolling system provides more efficient scrolling through long documents or web sites, and two thumb buttons let you quickly move forward or back between pages on the Internet. Sleek contoured shape fits snugly into your right hand. Five-year manufacturer warranty