The HooToo 7 in 1 USB C to 4K HDMI Adapter is right now available on Amazon for $21.24. Normally selling for $39.99, without applying any special discount code at the checkout you can save almost $19.
The dongle was equipped with a 4K HDMI port, 3 USB 3.0 harbors, 100W PD load ports, SD, and TF card reader. You can mirror your screen to or from your HDTV, monitor, or projector using the 4K@30Hz video adapter.
Up to 100W can be supported by a USB C dongle. Charging your MacBook or other USB C port devices during the connection and data transfer of multiple peripherals. Supporting 3 USB 3.0 ports up to 5 Gbps.
Data transfer speeds up to 480Mbps support SD & TF card slots, while SD/TF cards can be read at the same time. Support most Type-C and Thunderbolt 3 devices including MacBook, iPad Pro, Chromebook, and Pixelbook, etc. OS supports Windows, Mac OS, Unix, Chromebook.