As this microphone requires plug-in power (1.5-5V) from the connected device, make sure your camera or audio recorder is supplying plug-in power. Please refer your camera or audio recorder's manual to make sure its enabled.
You can also connect this microphone to a mobile device using a SC15 or SC19 MFI cable for an iOS and a USB-C to USB-C cable such as a SC16 cable for an android mobile device.
If you're still having issue with the product, please reach out to our Service Team contact page for further assistance.