Stuck at "Please select a device". FAQ says use "Refresh devices" option. There is no option for that.
Using the latest version of macOS and I'm just simply stuck at this screen:

The FAQ in the README says "A: Use the "Refresh Device List" option."
Where? I don't see this option anywhere. It doesn't even seem like there's a menu for it. When clicking the application and going to the top toolbar, it's not even showing the application. Just the browser's menu.
Its in the menu bar?
I am having this same problem, I have a Razer Viper and the Razer Ornata V2. Only that window shows up, no menus or anything, even on the top of the screen.
I suggest trying an older version. Let me know if that fixes the problem, something might be broken.
I suspect it’s not yet supported. You could have a play around with adding support if you are familiar with development?
Guys please look at taskbar at top right of your mac . Should have this icon .
Im using macbook pro m1 big sur 11.4 btw .

Thanks @miyuljoe. I've actually switched devices since then, but just as some feedback -- I think this should be a little more clear in the message presented to the user. "Please do something" without any guidance can be a little confusing.
Same issue Razer Kraken 7.1 Mac Big Sur 11.5.2 Razer OS v0.4.8
Thanks to the thread I found the refresh device list. However, after pressing the button, I still don't have my headphones show up. I plugged them in and out. Still the same. I restarted the app and the computer, still the same. Could it be that my Razer Kraken 7.1 are connected using an aux cable?
Same issue! Razer Kraken Kitty Bluetooth Mac Big Sur 11.3.3 Razer OS v0.4.8
Refreshing device list still does not work for me. Thank you! I connected and diconnected my bluetooth device repeatedly. Still the same. I restarted the app and the computer, still the same not working.
Same to me: Razer Naga 2014 Left handed edition Razer MacOS v0.4.10 MacOS Ventura 13.2.1
same issue
Mac Os Sonoma 14.7 Razer DeathAdder Essential wired
guys there is a icon at the top of your screen next your battery time etc with three squares there you can click refresh list or click your mouse