- Thunderbolt 3 to Thunderbolt 1/ 2 Adapter - This adapter is compatible with Thunderbolt displays only. It will not work with Mini DisplayPort (mDP) or DisplayPort (DP) monitors. - Compatible with first-generation Thunderbolt and Thunderbolt 2 devices - Thunderbolt Certified - Supplies power for bus-powered devices - Connectors: Thunderbolt 3 (USB Type-C) male - Thunderbolt 1/2 female - Cable length: 0.2 m - Colour: Black