Mevo 1st Gen and Mevo Plus have a built-in microphone for simple audio recording, and allows external audio inputs via the TRRS headphone jack or charging port on your mobile device.
Also, if you are using the Mevo Boost, you are also able to connect USB Audio Devices to the USB-A port on the back of the Mevo Boost
Learn more about the requirements for using external audio sources here .
Learn more about connecting USB audio devices to the Mevo Boost here.