Fluorescent 4x print keys | Multimedia and internet hot keys | Quiet membrane key switches | 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 | 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