Dimensions (WxDxH): 3.7 x 1.6 x 2.2 inch / 95.0 x 40.0 x 57.0 mm
Weight (Including Battery): 3.3 oz / 93.0 g
Unifying Receiver (WxDxH): 0.7 x 0.2 x 0.6 inch / 18.7 x 6.1 x 14.4 mm
Windows Vista or Windows 7, Windows 8
Mac OS X 10.5 or later
Linux kernel 2.6+
Package Contents: Mouse, Logitech Unifying receiver, 1 AA battery (pre-installed), User documentation
* Product descriptions and part numbers are subject to change, and may not reflect manufacturer product changes. Please check the manufacturer's website and use the item's manufacturer part number to find the most up to date product description.