Fangrui Product Details Fangrui Product Details Fangrui Product Details [mini Size ]small Size, Easy To Carry, For Travel, Kids Friendly As Well. [retractable Design]the Compact Size Is 1.6 Inch,but It Is 28-inch Line Length When Pulled Apart.retractable Cord Enables It To Be Able To Be Taken Wherever Desired For Use On The Computer Whether At Home, At Work Or Anywhere Else. [3d Technology]high-resolution Optical For Precise Mouse Movement. [plug And Play]no Drivers Or Programs Required. Just Plug And Play.the Cord Length Adjusts And Winds/unwinds Without Tangling Or Getting Stuck Like Some Other Wired Mouse. [wide Compatibility]all Windows 98 / Me / Nt / 2000 / Xp / Vista / Win 7 / Linux Or Mac Os Product Parameters: 1. Product Name: Usb Wired Mouse 2. Cable Length: About 80 Cm / 31.50 Inch (stretchable) 3. Resolution: 1200dpi 4. Type Of Connection: Usb Interface 5. Operating Voltage And Current: Dc5 Less Than Or Equal To 100ma 6. Flip Wheel Life: 1 Million Times 7. Switch Life: 5 Million Times 8. Key Specifications: 60 5gf 9. Key Operation: 80 20gf 10.