Logitech Wireless Anywhere Mouse MX for PC and Mac 910-002896 (Certified Refurbished) This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Track virtually anywhere - even on a glass desk - with Logitech Darkfield Laser Tracking Hyper-fast scrolling lets you fly through long documents and web pages Tiny Logitech Unifying receiver stays in your notebook - plug it in, forget it - even add compatible wireless devices without multiple USB receivers The compact, ergonomically designed shape and integrated thumb buttons deliver comfort and control wherever you are