The plug-and-play adapter enables the connection of up to two 4K Ultra HD displays with HDMI 2.0 to a single Thunderbolt 3 port at 60Hz on computers such as the 2016 and later MacBook Pro.

Also, this adapter supports only one powered Thunderbolt 2 device on a USB-C equipped Mac. The Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter doesn’t support connections to these devices: ...

The BlueRigger Bundle Mini DisplayPort to HDMI Female Adapter converts a Mini DisplayPort input into an HDMI output. It delivers both high-definition video (up to 1080p resolution) and ...

All recent Thunderbolt-equipped Macs are already using Thunderbolt 3. The adapter is therefore best suited to 2015 iMacs and MacBook Pros, the 2014 Mac mini, or the 2013 Mac Pro.

The product connects older 10 Gbit/sec dual-channel original Thunderbolt or 20 Gbit speed Thunderbolt 2 peripherals to the Thunderbolt 3 port with the USB-C connector as found on the new MacBook ...

Although Apple makes many Display Port adapter cables, they do not seem to make one to HDMI. Thunderbolt adds a whole new wrinkle.