Low-Profile, full-size keyboard provides multimedia keys for enhanced productivity and quick access to frequently used applications and files. 2.4 GHz USB receiver provides a reliable wireless connection up to 10 meters for the keyboard. Smooth, low-profile keys to make typing more efficient and comfortable. Secure wireless connection protects sensitive data from potential hackers using AES 128-bit encryption technology. Spill-proof keyboard resists coffee, water and other liquids. Plug & play USB connectivity. Sold by each. Black.