Logitech Wireless Computer Mouse M185
Plug-and-forget nano receiverIt works with Window-based and Mac computers. So small and unobtrusive, you can plug it into a USB port and forget about it.
1-year battery life You can go for a year without battery hassles. The On/Off switch and smart sleep mode help conserve power.
Logitech Advanced 2.4 GHz wireless connectivity You get the reliability of a cord with wireless convenience and freedom—fast data transmission and virtually no delays or dropouts.
Comfy, contoured shape The contoured design feels good in either hand and offers more comfort than a touchpad. Perfect for laptops and netbooks