Logitech Wireless Mouse M320 Wireless Ambidextrous (USB, Black)

"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 controlPlug-and-forget Nano receiver: Reliable wireless connection with a small receiver that can stay in your computer s USB portWide compatibility: Works with Windows 8/7/Vista/XP, Mac OS X 10.5 or later, Chrome and Linux Kernel 2.6 operating systems"