Logitech Wireless Mouse Zany M325 910-004161<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"> Sensing method : Logitech Advanced Optical Tracking </span></li><li><span class="a-list-item"> Buttons: 5 (including tilt function) : 5 </span></li><li><span class="a-list-item"> Scroll Wheel : Yes (Web wheel ) </span></li><li><span class="a-list-item"> Battery: 1-AA type batteries </span></li><li><span class="a-list-item"> Wireless system : Advanced 2.4GHz technology </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51kTdRexKGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51PKzuVarhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31xc9%2B23iSL.jpg" noproxy>