Product 1x Thunderbolt 3 to Thunderbolt 2 Adapter Type C Cable USB for Macbook Air Pro It can only be a one-way adapter. It can Thunderbolt 3 (USB-C) drive to For macOS Sierra with Thunderbolt or Thunderbolt 2, or later Feature: 1. The latest USB 3.1 Type C interface can be used both forward and reverse. 2. Perfect realization of miniDP video multi-function application; 3. High-performance digital chip processing; 4. Product input: USB 3.1 Type C (DP mode) 5. Product output: MINIDP 6. Operating environment: 0 to 65 , relative humidity: 5% to 95% [Product Application] Wide use: the latest generation of notebooks, mobile phones, tablets, etc. with USB 3.1 Type C (DP mode) interface are connected through this conversion line and converted to MINIDP multi-function output. Fits: For MacBook Air (Retina, 13-inch, 2018 and later) For MacBook Pro (13-inch, 2016 and later) For MacBook Pro (15-inch, 2016 and later) For IMac (Retina 4K, 21.5-inch, 2019) For IMac (Retina 4K, 21.5-inch, 2017) For IMac (Retina 5K, 27-inch, 2019) For IMac (Retina 5K, 27-inch, 2017 and later) For pro (2017) For Mac mini (2018) Package includes: 1 x adapter