Full Details from Amazon.com : http://www.amazon.com/gp/product/B0007X9JMA?tag=onigi-20<br /><br />Memory Upgrade Designer Appliances E-Quill-AirO2bic - mouse ( 0090-0020 )<br /><br />Connection Type Wired <br />Color Onyx Black <br />Movement Detection Optical <br />Movement Resolution 400 dpi
