HYTOBI MEM50-BLU 3-Button USB Wired Optical LED Mouse， Black/Blue<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"> Trendy LED lighting when plugged in and computer is on </span></li><li><span class="a-list-item"> Here's how you set it up </span></li><li><span class="a-list-item"> Measuring in at 4 x 2.5 X 1.5 (Lxwxh) with a cord length of 48 inches (4 feet) and weighing in at 2.4oz this mouse is sure to own the ring </span></li><li><span class="a-list-item"> They are compatible with windows 2000， xp， vista， 7 and 8 and mac os </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51GC%2BSUhE6L.jpg" noproxy>