Logitech M 280 Wireless Optical Mouse  (2.4GHz Wireless, Black)

Comfort inspired Finally, busy hands get the comfort they deserve. Even when you're hard at work, the natural curves and soft rubber grips support your hand. 18-month battery life* Work, play, connect and create without worry. M280 automatically puts itself to sleep when you're not using it. * Battery life may vary based on user and computing conditions. Smooth and precise tracking Enjoy smooth cursor control, precise tracking and easy text selection thanks to Logitech Advanced Optical Tracking. Plug-and-forget nano receiver Plug it once and forget it. The tiny wireless receiver practically disappears in your computer’s USB port or stores inside the mouse when you’re not using it.