Logitech M310 Wireless Mouse, 2.4 GHz with USB Nano Receiver, 1000 DPI Optical Tracking, 18 Month Battery, Ambidextrous, Compatible with PC, Mac, Laptop, Chromebook (FLAME RED GLOSS) Optical - Wireless - 32.81 ft - Radio Frequency - 2.40 GHz - Flame Red - USB - 1000 dpi - Scroll Wheel - 3 Button(s) - Symmetrical - 1 - 1 Year Battery Run Time 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. Package Contents: M310 Mouse Nano-Receiver 1 x AA Battery User Documentation