Y-10W 2.4 GHz Portable Finger Wireless Ambidextrous Trackball Mouse for Left/ Right Handed Users
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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"> 
							Free replacement and after sale service available, please buy with confidence.
							
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							Interface PS/2 or USB
							
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							Four group adjust DPI:400,600,800,1200
							
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							Effective distance within 10M.
							
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							It can greatly ease the harm of palm joint or muscle for long time using mouse
							
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