Hey Luke, that's
unusual. Please try reinstalling your USB drivers and try different
USB 3.0 with your headset. If you're using any kind of adapters or
extender cables with your Rift, try connecting directly to your PC.
Try moving the cable near the headset and see if causes any change.
If it does, it may indicate an issue with the port on the headset. Also, try disconnecting any other USB device except your Rift hardware and keyboard/mouse. Please create a support ticket at https://support.oculus.com so we
can look into this for you. Thanks! -Rick