Logitech M317 USB Wireless Optical Mouse w/Unifying Receiver.
Looking for a Compact, On-The-Go design wireless mouse, this is exact what you need. At home, at work, at school—forget about tricky finger maneuvers with your laptop touchpad. Enjoy precise clicking and pointing—on surfaces other optical mice can’t handle—while navigating your favorite websites thanks to Logitech Advanced Optical Tracking.
The compact contoured design with soft rubber grips keeps you comfortable—even when you’re on the go.
This mouse includes the Logitech Unifying receiver. The tiny wireless receiver stays in your laptop, so there is no need to unplug it when you move around. Plus, you can easily add a compatible wireless keyboard or number pad, or even another mouse—without the hassle of multiple USB receivers.
·Controller Features: Ergonomic Design, Wireless, Scrolling Wheel, Plug and Play Technology
·Wired Connectivity: USB 2.0, Wireless
·Wireless Technology: Wireless USB
·Number of Buttons/Keys: 2
·Maximum Operating Range: Up to 82′
·Mouse Speed: 1000 dpi
·Operating System Compatibility: Mac OS X, Windows XP, Windows, Windows Vista, PC, Windows 7
·System Requirements: USB Port
·Model Compatibility: PC
·Includes: On/Off Switch, USB Receiver
·Power Source: Battery-Powered
·Battery Required, included: 1 alkaline AA