PSA: Currently there is no easy way to remap buttons or manage DPI, profiles on Razer mice on Linux. Consider Logitech if it's important for you : r/linux_gaming
Configure Razer Mice In Linux With Razercfg (Ubuntu PPA) ~ Web Upd8: Ubuntu / Linux blog
Amazon.com: Razer RZ01-00780100-R3U1 Taipan Ambidextrous PC Gaming Mouse - 8200 DPI 4G Laser Sensor : Video Games