HTML Version: System RequirementsWindows XP, Vista, 7, 8, 10 or later2 USB PortsSpecification- KeyboardDimension: (11.46" x 5.4" x 0.78") 291mm x 138mm x 20mmWeight: (0.65 lb.) 295gKey switch type: MembraneSpecification- MouseDimension: (4.09" x 2.44" x 1.34") 104mm x 62mm x 34 mmWeight: (0.13 lb.) 58gSensor: OpticalDPI: 1000 dpiNumber of Button: 3Scroll wheel with middle click: Yes ----------------------------------------------------TEXT--------------------------------------------------------------- System Requirements Windows XP, Vista, 7, 8, 10 or later 2 USB Ports Specification- Keyboard Dimension: (11.46" x 5.4" x 0.78") 291mm x 138mm x 20mm Weight: (0.65 lb.) 295g Key switch type: Membrane Specification- Mouse Dimension: (4.09" x 2.44" x 1.34") 104mm x 62mm x 34 mm Weight: (0.13 lb.) 58g Sensor: Optical DPI: 1000 dpi Number of Button: 3 Scroll wheel with middle click: Yes