[ Background music ] >> Justin Yu: Hey there it's Justin Yu Associate Editor for CNET.com. I'm here to give you a quick tour of Microsoft's new wireless mobile mouse 4000. Now you'll notice many of the same features as Microsoft's explorer's miniseries but this one's only $40. And a small nano transceiver pops right out of the bottom of the undercarriage here and plugs right into your USB port. There's no drivers necessary. Aside from that the bottom also has a power switch to conserve energy and also a slot for the single AA battery. Microsoft also offers the mouse in 5 pastel colors; this one happens to be teal blue and also improves on the classic explorer mini design which unfairly catered to the right handed user. Thankfully the symmetrical design of the 4000 can be used comfortably in either the right or left hand. But the one gripe we have is with the scroll dial in the middle of the 2 main buttons. Now it's up and down scrolling is completely smooth, no tactile feedback. We prefer the ratcheting style for precision but it's not really that big of a deal. Now finally the big technical highlight is Microsoft's blue track technology built into the mouse with combines laser precision with the wide coverage of an optical mouse, to let you use it almost anywhere. We tested it on carpets, wood tables and other a traditional surfaces and it scrolled easily across all of them, well except for glass. So if you're looking for an easy to use wireless mouse for travel or even every day use on your laptop this $40 Microsoft mouse is definitely a worthy tool for the job. [ Background music ] >> Justin Yu: So I'm Justin Yu and you just took a first look at the Microsoft Wireless mobile mouse 4000. Thanks for watching.
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