Bamboo Wireless Optical Mouse Healthy Sweat-resistant Anti-radiation Wireless Mouse<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"> 2.4 GHZ Wireless Technology </span></li><li><span class="a-list-item"> DPI: 1200 /1600 </span></li><li><span class="a-list-item"> Compatibility: PS/2 Compatible with Windows 98 / XP / Vista / 7 / 8 </span></li><li><span class="a-list-item"> Eco-friendly bamboo material，solid construction，durable and recyclable; </span></li><li><span class="a-list-item"> Tap the bottom of the mouse DPI switch button to complete the 1200/1600 switch to satisfy yourself. Usually it is 1200 CPI </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51Me0-y-4YL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51iYE2enFPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/519HU7yC-HL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2BWHaC7qXL.jpg" noproxy>