low-profile, full-size keyboard provides multimedia keys for enhanced productivity and quick access to frequently used applications and files 2.4ghz usb receiver provides a reliable wireless connection up to 10 meters for the keyboard professional design offers 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 and play allows you to plug the receiver into your computer s usb port and immediately start using your keyboard color black