Razer DeathStalker V2 Pro Tenkeyless - Linear Optical Switch - US - Black, Gaming Keyboard, Razer™ Low-Profile Optical Switches (Linear),  RGB Chroma, Top-Class Connectivity, Ultra-Long 50-hour Battery Life, Fully programmable keys with on-the-fly macro recording, 70 million keystroke lifespan, 5052 Aluminium Alloy Top Case