The ergonomically designed targus 3 button usb optical mouse with retractable usb cord is the perfect device for both left handed and right handed users whilst being small enough for travel and big enough for day to day desktop operations the 1m usb cable adjusts to perfect length for ease of use and compact size makes the mouse fit comfortably into any pouch for easy storage utilising the latest optical technology the 3 button usb optical mouse provides precise tracking on most surfaces th