Das Keyboard Professional Keyboard with Quiet Keys (DASK3MKPRORED) German-engineered, gold-plated, mechanical MX red switches with quiet key design. Designed to withstand 50 million key strokes. 104 keys (plus 1 extra special function key for media controls) Special Media Keys: sleep, brightness +/-, mute, volume +/-, eject, play/pause, next and previous track Laser-etched key cap inscriptions to resist fading Two-port USB 2.0 hub allows for syncing and charging iPhone, iPod and USB compatible devices Extra long 6.6-Feet (2 meters) USB cable with two USB connectors: one for the keyboard, one for the USB hub Full n-key rollover 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