Item specificsDPI:1600Products Status:StockBrand Name:OEMInterface Type:USBPackage:YesApplication:Desktop，LaptopNumber of Buttons:2Wi-Fi Range:10mTracking Method:OpticalType:2.4Ghz WirelessStyle:3D，Mini，FingerWireless Technology:SupportedHand Orientation:RightOptical Resolution:1600 DPINumber of Rollers:1Model Number:finger mouse Size:W24��D27��H60mmCable length:1.2mWeight:45gButton: 2 buttons and scroll buttonInterface:USB (A type connector)Reading system:Optical sensor system (ball less)Resolution:1200dpiCorresponding type: Windows XP 2000 Me 98SE 98Plug & Play， driver unnecessary