This USB hub with Ethernet port can be used to give your Raspberry Pi Zero additional USB ports and a network connection. With this hub, you add an RJ45 port and 3 USB 2.0 ports.
Engineered to deliver fast data transfer speeds, the black RDF5 card reader features a USB 3.1 Gen 1 interface and support for both SDHC/SDXC and microSDHC/SDXC cards.