What this keyboard set can offer you is backlight design, so it can provide you with wonderful visual effect to add atmosphere to the game. As a must-have for any home and office, our USB wired keyboard and mouse is compatible with various devices, like computers, laptops and more. And more, no need for driver or other complex tools. It is constructed of abs material. Length, width and height of keyboard is 43.4cm, 12.6cm and 3.3cm. Length, width and height of mouse is 12.5cm, 6.9cm, 4cm. This set is compatible for computer, desktop, laptop, etc. Item Name: Keyboard Mouse Set Material: ABS Keyboard Interface: USB Mouse Interface: USB Support Plug and Play: Yes Multimedia Function Key: Yes Support Ergonomics: No Features: Support Backlight, Quick Response, Power-saving Applicable Object: Notebook, Home, Games, Office Size Details: Size of Keyboard: 43.4cm x 12.6cm x 3.3cm17.1" x5.0" x 1.3" (Approx.) Size of Mouse: 12.5cm x 6.9cm x 4cm/4.9" x 2.7" x 1.6" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Keyboard 1 x Mouse