This YouTube video is testing the Razer Viper Mini Lift Off Distance as well as recommending some fixes to help reduce the height. Razer Viper Mini Lift Off Distance Firmware Fix 1.03.00 – @ https://www.youtube.com/watch?v=XuFcMruKn3I&list=PLfd7fPKFiRfJAH1iJUmJCrgxe75RyRVzQ