USB 2.0 OTG Hub extends the micro USB OTG port on Pi Zero

USB OTG hub extends Micro USB OTG port on the Pi Zero plug in more USB devices as keyboard, mouse and WiFi dongle.

Add extra wired Ethernet & USB 3 ports extra storage to your streaming device for connecting wired network,flash drive,wireless keyboard or whatever

4 in 1 Ethernet Adapter and 3 Ports USB OTG Hub for Fire TV Stick 4K/Chromecast/Google Home Mini/Raspberry Pi Zero and Other Streaming TV Sticks,Micro

Geekworm X306 18650 UPS Expansion Board & USB HUB for Raspberry Pi Zer

Ethernet/USB HUB BOX for Raspberry Pi Zero Series, 1x RJ45, 3x USB 2.0 - RobotShop

🔌 Enhance Connectivity: Powered HUB with OTG Micro USB…

RPi Zero microB OTG to USB and Ethernet Hub

Raspberry Pi Zero: the $5 computer - Raspberry Pi

Are Micro USB-B OTG cables/connectors 5-pin, 11-pin, or both? Wikipedia doesn't say anything about an 11 pin OTG connector, but seemingly has both 5 and 11 pin versions. - Quora

Raspberry Pi Zero Ethernet Ethernet For Raspberry Pi Zero

Zero4U - 4 Port USB Hub for Raspberry Pi Zero v1.3 : ID 3298 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits

power supply - Powering Raspberry Pi Zero when USB OTG is in device mode - Raspberry Pi Stack Exchange

Design and Build your own High Power USB Hub Port Extender