Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter
Amazon.co.jp: BYEASY USB Hub USB-C Hub 4-in-2 USB 3.0 4-Port TYPE C [ Thunderbolt 3] 5Gbps High Speed Data Transfer Ultra Slim 60cm Cable with Micro USB Power Board and Cable, Lightweight, Compact,
Type C Thunderbolt 3 to USB C 3.0 2.0 HDMI-compatible 4K Hub