Yes, the connection is made via the ball joint. You remove the suction cup holder and connect it.

Sorry, I don't know that

Air vents are usually standardised - so they tend not to vary... The seller should know and have information - this is the right contact person.

Hello I have a Hyundai and I think it is suitable for any car.

I have the mount on a GO 620 and it fits perfectly. Since the VIA devices have the same type of holder, I assume that they also fit there.

It is best to fit the holder first: hold the rear clips against the ventilation slot and turn the large "knob" in the direction of the closed lock. Turn until the holder is firmly in place.