Razer BlackWidow Ultimate Mechanical PC Gaming Keyboard&Razer Imperator PC Gaming Mouse Bundle - Mass Effect 3 Edition Keyboard Interface: USB Design Style: Gaming Mechanical Keyboard: Yes Key Switch Type: Razer Mechanical Keyboard Color: Black/Red Backlit: Yes Operating System Supported: Windows 10 / Windows 8 / Windows 7 / Mac OS X (v10.8 - 10.11)