You can enjoy cool gaming experience as it adopts rainbow color backlight and low delay chip. It is the keyboard that has ergonomic keycap design so you can type for hours without feeling hand pain. Made of ABS material, it has non-slip design, splash-proof and durable. The length of this keyboard is 44cm, the width is 12.7cm and the height is 3cm. The length of this mouse is 12.6cm, the width is 7cm and the height is 3.3cm. It is easy to use, USB plug and play, no driver required. It is suitable for PC. It has features of high-precision positioning, ultra-wide rollers, non-slip gel, ultra-thin design, ultra-precision rollers. Item Name: Keyboard Mouse Material: ABS Keyboard Interface: USB Mouse Interface: USB Working Method: Photoelectric Optical Resolution: 1600dpi Features: Backlight, Sensitive, Cool Gaming Experience Size Details: Keyboard Size: 44cm x 12.7cm x 3cm/17.32" x 5" x 1.18" (Approx.) Mouse Size: 12.6cm x 7cm x 3.3cm/4.96" x 2.76" x 1.3" (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 Note: 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.