Feature: 1. Support System: The USB keyboard mouse is fully compatible with laptops and desktop computers, for OS laptop, for OS X , for Win 2. 86 keys: The gaming keyboard has 86 keys retro round key concave keycap design, with glossy color, clear UV characters, fit the palm curve 3. Ergonomic 1200DPI: The keyboard mouse set supports ergonomics, with 1200DPI mouse optical resolution 4. Thin 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 5. Sloping Panel: The pc keyboard has a tilting panel structure to ensure the wrist is at a relaxed angle, while also taking into account the clarity of the viewing angle Specification: Item Type USB Keyboard Mouse: Material: ABS Way of Working: Wireless Key Technology: Crater Architecture Whether to Support Ergonomics: Support Number of Keyboard Keys: 86 Keys Connection Method: 2.4G USB Receiver Mouse Optical Resolution: 1200DPI Battery Specification: 2 x AA Alkaline Battery (shipped without battery) . Package List: 1 x Keyboard1 x Mouse1 x Receiver1 x User Manual Note: shipped without battery