FEATURES:size : 102(L)x53(W)x28(H)mm Data transmission : USB 1.1 / 2.0 / 3.0 DPI : 1000DPI Buttons : 3 buttons (including scroll wheel) Rated operational current : 100mA/5V line length : About 60cm Compatible with Windows XP， ME， 2000， Vista， Windows 7， 8 Plug and play INCLUDING: 1 x red mouse *Remarks: NOT include box or retail packing (Item will be wrapped safely in bubble envelop).