You just got yourself a new Razer device and you realized you can't configure it without the proprietary Synapse software (which is not available on linux), and now you are sad ?
Be sad no more ! The open-source community got your back.
Step 1 : drivers
Just follow their instructions in the download page.
Step 2 : GUI
You will also need an interface to let you change settings of your devices.
(there is also a list of other compatible applications at the end of the README of OpenRazer if you want)
PS: You might need to reboot your computer if the application tell you that your device ID is not recognized, even if it is in the list of supported devices, to make sure drivers are properly running.
Happy gaming !!
(or happy "whatever" you do with your computer)