USB-C to USB-C. Works perfect. Cable may need to be cleaned up a little. I will clean before it send. Will ship as soon as possible. The Apple OEM Power Adapter with Charger Cable is a white power adapter designed specifically for Apple MacBook Air laptops. It operates at a voltage of 20V and has an output current of 3.25 A, making it compatible with various models including the 2016-2020 MacBook Pro 13-inch, 2015-2020 MacBook 12-inch Retina, 2016-2020 MacBook Pro 15-inch, and 2018-2020 MacBook Air 13-inch. This power adapter is ideal for charging your MacBook Air efficiently and reliably.
eBay