microsoft wireless mobile mouse 4000 - black
the microsoft wireless mobile mouse 4000 fits life on the go . home gym campus office quick stop for e-mail and coffee . this sporty stylish little mouse goes wherever you do . with revolutionary microsoft bluetrack technology you can work more places than ever before including on granite countertops carpets even on a wood table or a rough unfinished park bench . features microsoft bluetrack technology works on virtually any surface nano transceiver leave it plugged in when you re on the go or stow it in the mouse . advanced comfort contoured shape to fit your hand and soft textured rubber grips . additional features 2.4 ghz reliable wireless connection 4-way scrolling and 4 customizable buttons 10-month battery life 3-year limited warranty what is bluetrack microsoft s proprietary bluetrack technology works in more places than both optical and laser mice . to do this bluetrack technology uses a wider and more uniform light beam and a better contrasting mechanism than laser optical mice . now track more accurately on granite carpet wood system requirements windows 7 windows vista windows xp excluding xp 64-bit and 100 mb or mac os x v10 .4 10.5.x and 30 mb cd-rom usb 1 aa alkaline batteries included bluetrack technology does not work on clear glass or mirrored surfaces . compared to leading laser and optical mice commercially available spring 2009 .