Can I mix audio to my video?

Sure. With ClonerAlliance Box Pro, you can connect your audio device to “Line in”/”Mic” port by using a male to male audio cable as following, then while recording, the audio will mixed in.

Tip: This instruction applies to ClonerAlliance Box Pro, ClonerAlliance ViewPro, ClonerAlliance UHD Pro, ClonerAlliance UHD Lite, ClonerAlliance Box Turbo, ClonerAlliance Box, ClonerAlliance Box Evolve, ClonerAlliance Flint 4KP, ClonerAlliance Flint 4KP Plus, ClonerAlliance Flint 4KP Pro, ClonerAlliance Flint D4P.

https://s1.occld.com/image/ca/kb/audio_cable.jpg