Das Keyboard Model S Professional Soft Tactile Mechanical Keyboard German-engineered mechanical key switches with gold contacts (Cherry MX brown) Laser-etched key cap inscriptions to prevent fading Full n-key rollover with a PS2 adapter, and 6 keys with USB Enhanced 104-key layout with two Windows keys Glossy black upper enclosure and matching black USB cable - Darth Vader approved. Compatible with PS/2 and USB KVM switches Blue LEDs for Num Lock, Caps Lock, and Scroll Lock. German-engineered mechanical key switches with gold contacts (Cherry MX brown) Laser-etched key cap inscriptions to prevent fading Full n-key rollover with a PS2 adapter, and 6 keys with USB Enhanced 104-key layout with two Windows keys Glossy black upper enclosure with blue LEDs and matching black USB cable - Darth Vader approved. Two-port USB 2.0 hub allows for syncing and charging iPhone, iPod and USB compatible devices Extra long two-meter (6.6-foot) cable that goes through your desk grommet to keep your workspace neat and tidy Compatible with PS/2 and USB KVM switches