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
How to manually change the DPI Sensitivity on a Razer mouse
Razer Synapse: Configuration Software For Razer Devices – LiquidSky.com
So the Deathadder 2013 can't change the DPI on the fly ? | Overclock.net
How To Disable The DPI Hotkey On A Razer Mouse – LiquidSky.com
How to adjust the DPI setting on a Razer mouse through Razer Synapse 3
How To Change Razer Mouse Dpi Without Synapse - Gaming Redux