Optical Mouse Description This mouse takes advantge of high technology optic Eye. It offers sensor report rate times per second with micro digital camera. Such an advance optical sensor technology permits your mouse to operate on uneven surtace. Without moving dall to collect dust,it helps smooth internet surfing and zooming. If your hand has an excellent taste, this optical mouse is your only choice. Features Key Feature Model No.: Differ Part No.: Differ MouseSpecification Type: D Optical Mouse Color: Black Interface: USB .Resolution: dpi OS Support: Windows XP / Vista / Windows / Windows Plug & Play: Yes Tracing System: Optical Warranty Details Warranty Available: year manufacturer.