I bought this hoping it would also work as a general bluetooth receiver and transmitter for things like wireless headphones. Turns out it only works with controllers, hence the 4 stars. It was unexpectedly cool though, which is why I am still giving it 4 stars. If you, unlike me, know what you're buying, it's probably a 5 star product.While this device is likely a better fit for console users who have a game controller preference, I only tested it with a Linux PC, and it does work very well. It