Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter
Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter,Amazon.com: Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter : Electronics,Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter - Apple,MacのThunderbolt/USB-Cポート用のアダプタ - Apple サポート (日本),Original Official for Apple Thunderbolt 3 USB-C to Thunderbolt 2 Adapter Converter Cable MMEL2 A1790 White