Razer Macros: How to Toggle / Hold Any Key or Mouse Button on Synapse 3 - YouTube
Razer BlackWidow Chroma | RZ03-0122x Support
Amazon.com: Razer BlackWidow TE Chroma v2 TKL Tenkeyless Mechanical Gaming Keyboard: Yellow Key Switches, Linear & Silent, Chroma RGB Lighting, Magnetic Wrist Rest, Programmable Macros, Classic Black : Video Games