Razer BlackWidow Chroma

TECH SPECS Razer Mechanical Switches with 50g actuation force 80 million keystroke life span Chroma backlighting with 16.8 million customizable color options Razer Synapse enabled 10 key roll-over anti-ghosting Fully programmable keys with on-the-fly macro recording 5 additional dedicated macro keys Gaming mode option Audio-out/mic-in jacks USB pass-through 1000Hz Ultrapolling Braided fiber cable Approximate size: 475mm/18.72 in (Width) x 171mm/6.74 in (Height) x 39mm/1.54 in (Depth) Approximate weight: 1500g/3.31lbs SYSTEM REQUIREMENTS PC or Mac with a free USB port Windows 10 / Windows 8 / Windows 7 / Mac OS X (v10.8 - 10.11) Internet connection 100 MB of hard disk space Razer Synapse registration (requiring a valid e-mail), software download, license acceptance, and internet connection needed to activate full features of product and for software updates. After activation, full features are available in optional offline mode.