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 connect a Thunderbolt 3 (USB-C) device to macOS Sierra with Thunderbolt or Thunderbolt 2, or later. Function: 1. The latest USB 3.1 Type C interface can be used in both forward and backward. 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 laptops, 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 application 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) For iMac Pro (2017 and later) For Mac mini (2018) Package Included: 1 x Adapter