Logitech 910-004277 Mouse - M310 Wireless , 2.4 GHz with USB Nano Receiver, 1000 DPI Optical Tracking, Ambidextrous, Black Optical Wireless Radio Frequency 2.40 GHz Black USB 1000 dpi Scroll Wheel 3 Button(s) Symmetrical

The Logitech Wireless Mouse M310 is the easy-to-use, full-size mouse that feels just right. It feels good in either hand-even after long hours of use-thanks to its hand-friendly, contoured design with soft rubber side grips. The plug-and-forget nano-receiver is small enough to stay in your USB port so you won't lose it-and delivers reliable Logitech Advanced 2.4 GHz wireless connectivity. A 18-month battery life means less hassle. Navigating is simple too with smooth, responsive tracking. And you get the high quality and reliability that's made Logitech the global leader for mice-plus a three-year hardware warranty.