Hot-swappable Razer BlackWidow V4 75% Mechanical Small & Sturdy Media Keys & Chroma MF Roller Black Tactile Orange Wrist Rest Switches: From the producer Play the Video Change out. Change to a new one. Go for it. 75% of Razer BlackWidow V4 The Razer BlackWidow V4 75% is a small, hot-swappable mechanical keyboard that uses Razer Chroma RGB to provide more customization and immersion for your enthusiast needs. From setting up a new SWI