Adesso Wireless Mini Mouse (Blue) CA84249- you get 11

2.4GHz RF Wireless Technology - This 2.4GHz wireless mini mouse fits perfectly with your computer and allows you to work freely with no space constraints of wires, offering 30 feet (10m) of wireless freedom. Battery Saving - With the On/Off Switch and built-in Auto-Sleep features, you can automatically maximize your battery life when your iMouse S50 is not in use. Mini, Compact and Portable - The compact and durable design will make this mouse become your ideal choice when you travel. The mini compact size makes it easy to store your mouse in your laptop bag or briefcase while on the go. Optical Sensor - Optical sensor technology improves precision and even lets you work on most surfaces like marble, wood and leather without the need of a mouse pad. With an optical resolution of 1200 DPI, you can browse comfortably basically on any surface.