Gaming Keyboard and Mouse Combo 98-Key Mechanical Feel Wired Colourful Backlight 6D Gaming Mouse w/ Adjustable Movement Speed Mouse and Keyboard Colour: Blue White/White Blue(Optional) Material: ABS Plastic KEYBOARD Connection type: USB wired Number of buttons: 98 Button pressing distance: 4mm土0.4mm Button pressing force: 50g土20g Rated voltage/current: DC 5V/< 50mA Number of buttons: 4 Cable Length: Keyboard - 1.5m / 4.9ft,  Mouse Movement Speed: 1200/1800/2400/3600 Button: 6D Backlight: 4 LED colors IC: 8633 Rated voltage/current DC 5V/60mA Connector: USB wired Line length: 1.35m / 4.4ft Compatibility: Windows 98SE/ME/2000/XP/Vista/7/10 Keyboard Size: 38.9 x 14 x 4.1cm / 15.3 x 5.5 x 1.6in Mouse Size: 13 x 7 x 4.0cm / 5.1 x 2.8 x 1.6in Weight: Keyboard & Mouse Set - Approx. 657g / 1.45lb