for Apple Ultra 3 Adapter,USB to USB Adaptor 4 Pack,Female to A Charger Conve...

Convert USB-A Ports into USB-Inputs: Ideal for connecting USB-earphones, cables, flash drives, card readers, wireless adapters, and other USB-to older devices that only have USB-A ports. Simply plug the adapter into a USB-A port to bridge the gap instantly—no setup required.

eBay