microsoft arc mouse - black
overview you take your notebook pc everywhere . that s why the arc mouse is designed to go with you . expanded it s a sturdy and comfortable full-sized mouse . folded it fits perfectly into your bag . features folds for portability designed for comfort the arc mouse folds to 60 of its fully expanded size with the folding motion controlling turning the mouse on and off . scroll wheel for easy navigation . strong hinge made of metal for durability . micro-transceiver snaps into the bottom of the mouse . battery status indicator changes color to indicate when the battery needs to be replaced . additional features 2.4 ghz wireless with up to 30-foot range laser tracking 4 buttons carrying case included system requirements windows vista windows xp or mac os x v10 .2 10.5 powered usb port 2 aaa alkaline batteries included