Razer Viper Mini Wireless Cobra Pro PCB Retrofit, Logitech G Pro Superlight Mods,A fan made a wireless Viper Mini using the M800 Pro's PCB and have it use Kailh GM 8.0 switches : r/MouseReview,Razer Viper Wired & Wireless PCB/Scroll Wheel Difference : r/MouseReview,Create a viper mini wireless for the last time : r/MouseReview