Cable Adapter
StarTech.com Thunderbolt 3 to Thunderbolt 2 Adapter USB C to Mini DisplayPort - USB-C to Thunderbolt 2 - First End: 1 x Type C Male Thunderbolt 3 - Se
TeciSoft
Startech.Com Thunderbolt 3 To Thunderbolt 2 Adapter - Tb3 Laptop To Tb2 Displays & Devices -