Therefore, you will need a Synapse 3 compatible device. Razer Synapse 3 Compatible Device – This method is done using the Synapse 3 software.You can download the Synapse 3 software here If you’re device is compatible. Unfortunately, this means Mac users and keyboards used on consoles will not be able to use custom lighting from Synapse 3 because they’re not compatible with the Synapse 3 software. Razer Synapse 3 Software – The Synapse 3 software must be running on your computer in order to use Razer’s custom keyboard lighting.There are a few requirements that need to be met in order to import custom Razer Keyboard lighting designs