Logitech Wireless Mouse, Black Description M320 is the perfect synthesis of functionality, aesthetics and comfort. The asymmetric shape plus the patterned rubber surface will delight your hand and the wide wheel will improve your scrolling experience. Features: Right-handed contoured design: Curved soft rubber side grips for extra comfort 2 year battery life: Go longer between battery changes (Battery life may vary based on user and computing conditions) Logitech Advanced Optical Tracking: Enjoy ultra-precise and responsive cursor control Plug-and-forget Nano receiver: Reliable wireless connection with a small receiver that can stay in your computer's USB port Wide compatibility: Works with Windows 8/7/Vista/XP, Mac OS X 10.5 or later, Chrome and Linux Kernel 2.6 operating systems Product Details: Brand: Logitech Color: Black Connectivity Technology: Wireless, USB Special Feature: Wireless Movement Detection Technology: Optical Wireless Type: ‎802.11abg Brand: ‎Logitech Item model number: ‎910-004351 Operating System: ‎Linux Item Weight: ‎3.2 ounces Product Dimensions: ‎2.67 x 1.51 x 4.15 inches Item Dimensions LxWxH: ‎2.67 x 1.51 x 4.15 inches Color: ‎Black Power Source: ‎Battery Powered Batteries: ‎1 AA batteries required. (included) Manufacturer: ‎Logitech Is Discontinued By Manufacturer: ‎No Date First Available: ‎October 2, 2014