Kensington Expert Wireless Trackball Mouse (K72359WW)
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<div style="text-align:left"><b>[Product Information]</b></br><ul><li class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your " id="replacementPartsFitmentBullet"><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a class="a-link-normal hsx-rpp-fitment-focus" href="#">Enter your model number</a><span>to make sure this fits.</span></span></span></li><li><span class="a-list-item"> 
							Wireless connection via Bluetooth 4.0 LE or USB Nano receiver
							
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							Trackball Works software lets you customize all 4 buttons, adjust cursor speed
							
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							Diamond Eye optical tracking technology for premium cursor control and accuracy
							
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							Award-winning Scroll Ring lets you scan up and down pages with ease
							
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							Large ball is designed as a perfect sphere to provide exceptional precision
							
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							Detachable wrist rest supports hand and wrist for ergonomic comfort
							
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							Ambidextrous design works equally well for both right-handed and left-handed users
							
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							Auto-sleep helps conserve AA battery life
							
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