Genuine Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter (A1790). Purchased from an official Apple Store in Hong Kong. Although the package has been opened, it has never been used and has been stored unused. This adapter allows you to connect Thunderbolt/Thunderbolt 2 compatible external storage devices, docks, etc., to Macs equipped with Thunderbolt 3 (USB-C)/USB4 ports. It is also bidirectional, so it can be used to connect Thunderbolt 3 compatible devices to Thunderbolt/Thunderbolt 2 port equipped Macs (macOS Sierra or later). Important (Compatibility) ・This product is for Thunderbolt signals only. ・Thunderbolt Display compatible. ・Apple Cinema Display / Mini DisplayPort (mDP) / DisplayPort (DP) not supported (as shown in the photos). 【Condition】 ・Opened / Unused (never used, including power-on and connection) ・The outer box has slight scratches and creases due to storage (please check the photos) ・Accessories: Main unit, outer box, all instruction manuals (as shown in the photos) 【Shipping】 Yu-Packet Post (anonymous shipping) Will be carefully packaged with waterproof protection and cushioning material. Immediate purchase OK, first come, first served. #AppleGenuine #Thunderbolt #Thunderbolt3 #Thunderbolt2 #A1790 #MMEL2FEA #USB_C #MacAccessories #MacPeripherals #AppleAccessories