⚠️You can self-toubleshoot the FIFINE K658 microphone when it doesn't work well. If you want to request email support, please include the test result.
Is "FIFINE K658 Microphone" seen by your Windows or Mac, or is it recognized as an unknown device?
If it is recognized and the level meter responds when you speak, but you still don't hear audio from the PC, have you selected the correct output device (computer or the mic) under the system and software settings?
If the computer sees it as an unknown device, have you tested out on a different computer? Tried to update and reinstall the unknown driver a few times on different computers?