Razer - Through the inter-device color synchronization on Razer Synapse, you can personalize and coordinate your Razer Kraken 7.1 Chroma USB gaming headset to glow in-sync with all your other Chroma-enabled Razer
How to troubleshoot and resolve a headset or headphone with no sound, poor or no audio, or uneven audio balance
Synapse 2.0 not detecting headset. | Razer Insider
Razer Synapse Not Detecting Your Peripherals? We Discovered Why Along With A Quick Solution – Pokde.Net