Fluorescent 4X Print Keys: The large 4X size black print on fluorescent yellow keys provide excellent contrast and stronger appeal over traditional keyboards that have small, hard-to-read white letters on black keys. Multimedia Controls: Control your media player with just one touch using the builtin Multimedia Hotkeys for easy access to your favorite video or music playlist. Windows One-Touch Controls: Instantly open your favorite Windows applications, such as My Computer, Calculator, Mail, or Search without having to navigate with your mouse. Quiet Membrane Key Switches: Membrane key switches provide a better tactile response and a quieter typing experience. Plus they last up to five million keystrokes. The large 4X size black print on florescent yellow keys provide excellent contrast and stronger appeal over traditional keyboards that have small, hard-to-read white letters on black keys. With a life cycle of 5 million keystrokes, Membrane key switches provide a faster response along with a quieter typing experience. Control your media functions with one-touch using the built-in Multimedia Hot Keys. You can also navigate the Internet and access your email with the built-in Internet Hotkeys. PC Powered via USB 8 Keys - (Media Player, Volume Down, Volume Up, Mute, Play/Pause, Previous, Next, Stop) 6 Keys - (My Computer, Search, Calculator, Mail, Home, Favorites) Black with Yellow Keys 104-Key US Layout