Pro Fit low-profile wireless desktop set with keyboard and mouse Low-profile, full-size keyboard provides multimedia keys for enhanced productivity and quick access to frequently used applications and files Optical sensor with 1200 dpi for precise cursor control 2.4 GHz USB receiver for a reliable wireless connection with a range of up to 10 m for both keyboard and mouse Secure wireless connection protects sensitive data against hackers with AES 128-bit encryption The keyboard is spill-proof and can withstand coffee, water and other liquids Plug & Play lets you plug the USB receiver into your computer's USB port and start using the keyboard and mouse right away