Microsoft Wireless Desktop 900 (PT3-00001)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Advanced Encryption Standard (AES) 128-Bit Encryption </span></li><li><span class="a-list-item"> Full-size mouse provides comfortable， precise navigation </span></li><li><span class="a-list-item"> Quiet-touch keys provide comfortable， responsive typing </span></li><li><span class="a-list-item"> Ambidextrous design is great for use in either hand </span></li><li><span class="a-list-item"> Hot keys provide easy-access to commonly used functions </span></li><li><span class="a-list-item"> Customizable buttons give you access to the Windows features you use most </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31dy-w-Q6CL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31PqFYPhipL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21esEFmivGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21KZ3J3vbCL.jpg" noproxy>