Logitech M185 Wireless Mouse， Silver<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"> Movement Detection: Optical </span></li><li><span class="a-list-item"> Color: Gray </span></li><li><span class="a-list-item"> Connection Type: Wireless </span></li><li><span class="a-list-item"> Movement Resolution: 1000 dpi </span></li><li><span class="a-list-item"> The USB connection is within the mouse itself. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41whsRJaknL.jpg" noproxy>