Great little mouse,
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This review is from: Microsoft D5D-00011 Wireless Mobile 4000 Mouse - White (Accessory)
I've had this for a while now and it still works great. The built quiality is amazing and it feels great in the hand, although a bit small if you have larger hands. The mouse has been dropped a few times and still works without a problem. The buttons feel solid and the scroll is nice and smooth without any clicking.