Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter - Thunderbolt adapter - USB-C (M) to Mini DisplayPort (F) - for iMac, iMac Pro, Mac mini, Mac Pro, MacBook, MacBook Air with Retina display, MacBook Pro

The Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter lets you connect Thunderbolt and Thunderbolt 2 devices — external hard drives and Thunderbolt displays, for example — to any of the Thunderbolt 3 (USB-C) ports on your MacBook Pro. As a bidirectional adapter, it can also connect new Thunderbolt 3 devices to a Mac with a Thunderbolt or Thunderbolt 2 port.