A:AnswerThe three ports are: standard usb (jump drive), hdmi port, and usb-c port. The usb-c port is used to plug in your charger to your laptop and will simultaneously charge your laptop while using any of the other ports. Hope this helps.
A:AnswerThere is other wires to connect a phone to a MacBook Air. this is for connecting to another screen or monitor but they have cables that fits your phone to the laptop