Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Small size, easy to carry, perfect for travel, kids friendly as well. when pulled apart.Retractable cord enables it to be to be taken wherever for use on the computer whether , at work or anywhere . 3D Technology High-resolution optical tracking for precise mouse movement. Plug and Play No drivers or programs required. Just plug and play.The cord length adjusts and winds or unwinds without tangling or stuck like some other wired mouse. Wide Compatibility All Windows 98 or or NT or 2000 or XP or Vista or Win 7 or Linux or OS Product Parameters: Product Name: USB wired mouse Resolution: 1200DPI Type of connection: USB interface Operating voltage and current: DC5 5 percent less than or to 100MA Flip wheel life: 1 Switch life: 5 Key Specifications: 60 5gf Key operation: 80 20gf Cursor positioning : photoelectric : Windows 98, 2000, XP, Vista version and so on colour:Black Material:ABS size:76mmx40mmx24mm Cable length: about 80 cm or 31.50 in (stretchable) Package Contents: 1 xWired Mouse Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.