The USB-C Digital AV Multiport Adapter allows you to simultaneously connect an HDMI monitor, a standard USB device, and a USB-C charging cable to your Mac or iPad with a USB-C port.
This adapter allows you to mirror your Mac or iPad screen to an HDMI-enabled TV or monitor.
3840x2160 pixels with 60Hz refresh rate for devices:
iPad Pro 11-inch, iPad Pro 12.9-inch (3rd generation and later), MacBook Pro (16-inch, 2019 model), MacBook Pro (15-inch, 2017 model and later), MacBook Pro (13-inch, 2019 model) 4 Thunderbolt 3 ports, 2020 model), MacBook Air (2020 model), iMac (5K Retina Display, 27-inch, 2017 and later models), iMac (4K Retina Display, 21.5-inch, 2017 and later models ) and iMac Pro (2017 and newer models)
1080p with 60Hz refresh rate or UHD (3840x2160 pixels) with 30Hz refresh rate for devices:
iPad Air (4th generation), MacB