Using the car cigarette lighter port is faster for charging than a built-in USB port. This is because it has a higher voltage ...

C, that doesn't mean you're getting USB 3.1 or Thunderbolt with all models. Some iPads with USB-C only offer USB 2.0 transfer ...

If your laptop or desktop PC has "sleep-and-charge" USB ports on it, they can be pretty helpful, but how they work varies ...