iMicro MO-M128MI Wired USB Optical Mouse， Black<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"> Tracking Method: Optical </span></li><li><span class="a-list-item"> Cable Length: 1800 mm </span></li><li><span class="a-list-item"> DPI Resolution: 1200 DPI </span></li><li><span class="a-list-item"> Button life: &gt; 30 million times </span></li><li><span class="a-list-item"> Operating voltage: 4.5V ~ 5.5V </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41s3ycNuWBL.jpg" noproxy>