Product 1x Thunderbolt 3 to Thunderbolt 2 Type C USB Adapter Cable for Macbook Air Pro It can only be a one-way adapter. It can power Thunderbolt 3 (USB-C) 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: MINIDP6. Operating environment: 0 to 65, relative humidity: 5% to 95% [Product application] Widely used: The latest generation of laptops, mobile phones, tablets, etc. with USB 3.1 Type-C interface (DP mode) are connected through this conversion line and converted to MINIDP multi-function output. Compatible with: 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