16-Port USB Hub (Support 16 U-Disk/micro SD for Bulk Duplicate)
Ethernet Hub and USB Hub w/ Micro USB OTG Connector : ID 2992 : Adafruit Industries, Unique & fun DIY electronics and kits
Mini USB hub with 3 USB-A ports - Black - Orico
Amazon.com: Micro USB Cable Y Splitter USB 2.0 A to Dual Micro B Power Enhancer Hub Adapter 1 Male to 2 Male Android Extension Code Syncing and Charging Two Devices Simultaneously : Electronics
USB 2.0 OTG Hub extends the micro USB OTG port on Pi Zero
m.media-amazon.com/images/I/31h-+zNDQQL.jpg
StayGo Mini USB-C Hub for iPad and Macbook - Twelve South
HUE-M1A SuperSpeed USB-A MINI hub | Axagon
2 Port Micro USB Power Charging OTG Hub Cable Adapter For Android Phone Tablet | eBay
Black mini switch 2-Port A/B USB 2.0 Manual Switch with Two 6ft.Cables