Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter
Thunderbolt 3 USB-C to Thunderbolt 2 Adapter
Original Official For Apple Thunderbolt 3 Usb-c To Thunderbolt 2 Adapter Converter Cable Mmel2 A1790 White - Pc Hardware Cables & Adapters - AliExpress
Apple Thunderbolt 3 (USB-C) to Thunderbolt 2アダプタはDisplayPortディスプレイやアダプタに非対応なので注意。 | AAPL Ch.
Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter Teardown - iFixit