Das Keyboard Model S Professional Clicky MX Blue Mechanical Keyboard (DASK3MKPROCLI) German-engineered, gold-plated, mechanical key switches (Cherry MX Blue). Designed to withstand 50 million key strokes Special Media Keys (inscriptions in blue): sleep, brightness +/-, mute, volume +/-, eject, play/pause, next and previous track Laser-etched inscriptions on keys to resist fading Two-port USB 2.0 hub allows for syncing and charging iPhone, iPod and USB compatible devices Extra long 2-meter (6.6-Feet) USB cable with two USB connectors: one for the keyboard, one for the USB hub Full n-key rollover (anti-ghosting technology) with a PS2 adapter, and 6 keys with USB. Great for fast typists and gamers alike. Blue LEDs for Num Lock, Caps Lock, and Scroll Lock KVM switch compatible N-key rollover USB 2.1 hub Media Controls