Acer Wireless Optical 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"> Connectivity: 2.4GHz Wireless Technology </span></li><li><span class="a-list-item"> Wireless Operating Range: &gt; 32.8 feet (under no interference) </span></li><li><span class="a-list-item"> Ergonimic shape， perfect for left or right hand users </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31AQZXvPKjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41SPSp2qgrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31-FyOoJAzL.jpg" noproxy>