in comparison to the former generation Razer Viper V2 Pro, it's an current sensor that now supports a optimum wireless polling amount of 8000Hz out with the box.
Luckily, Razer packs some grip tapes during the box, https://zoenqgc445447.angelinsblog.com/27623164/a-simple-key-for-asus-rog-falchion-rx-65-wireless-rgb-low-profile-mechanical-gaming-keyboard-white-unveiled