Characteristics and Interoperability Fantech VX9/VX9S Gaming Mouse Seven Lighting Effects in VX9 Variable DPI (400–3600) 30 IPS with 8G Acceleration Speed Switch Huano 5 million 77 grams RGB-Lighting VX9S Variable DPI from 400 to 7200 Speed of 60 IPS with 20G Acceleration Switch Huano 10 million 82 grams