Welcome to the store! 1Support System: The USB keyboard mouse is fully compatible with laptops and desktops, for OS laptop, for OS X , for Win 286 Keys: The gaming keyboard has 86 keys retro round key concave keyboard design, with glossy color, clear UV characters, fit the palm curve 3Ergonomic 1200DPI: The set supports ergonomics, with 1200DPI mouse optical resolution 4Thin Film Technology: The keyboard mouse combo bottom technology adopts improved thin film technology, the sound is light and quiet, retro typewriter style, high key design brings a mechanical feel 5Inclined Panel: The PC keyboard has an inclined panel structure to ensure that the wrist is at a relaxed angle, while taking into account the clarity of the viewing angle Item Type USB Keyboard Mouse: Material: ABS Working Method: Wireless Key Technology: Crater Architecture Whether to Support Ergonomics: Support Number of Keys: 86 Keys Connection Method: 2.4G USB Receiver Mouse Optical Resolution: 1200DPI Battery Specification: 2 x AA Alkaline Battery (Shipped Without Battery) 1 x Keyboard 1 x Mouse 1 x Receiver 1 x User Manual Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!