Anker has unveiled a new product, the 551 tablet stand and 8-in-1 USB-C hub. The gadget has many ports, including a 4K HDMI port and microSD and SD card slots. The device has pass-through charging and is compatible with many tablets, including recent models of the iPad Pro and the iPad Air 4.
https://www.notebookcheck.net/Anker-releases-the-551-8-in-1-USB-C-Hub-and-tablet-stand-with-pass-through-charging.613846.0.html