Sony A6600 - How does the internal mic sound? vs the Rode Videomicro

A quick video of me testing the internal microphone of the Sony A6600.
Do you need an external microphone for vlogging or do you think that the internal mic of the camera is just fine?

Lens used: Tamron 17-28mm F2.8
p.s. most of the outdoor shots were at ISO 32.000

vlog,