The Razer BlackWidow V4 Pro is a wired, silent, linear, ABS command dial with programmable macros, RGB color, and a yellow wrist rest. From the manufacturer, switches Play the full-blown video Immersion in Battlestations BlackWidow V4 Pro Razer With a centerpiece that enhances your entire setup, you can empower your play. The best mechanical gaming keyboard is here to usher in the next stage of battlestation development. Use a set of features designed to give you complete control.