What is USB to USB used for?

you could use it to transfer data between two devices.

Maybe you are interested in this post 5 Effective Methods to Speed up USB Transfer in Windows 10/8/7.

USB type A male to type A male

It is fully compatible with USB 1.0,1.1 and the cable length is 25Ft / 8M.

What Uses Can USB pop in A Male to pop in A Male Cable Be Put to?

This end should be marked because it causes OTG equipment to change to host mode.

USB-C to USB Adapter

gadget-only equipment like a printer should ignore pin 4.

USB-C to USB Adapter

Macs cannot technically connect to one another via a USB cable.

The USB-C to USB adapter is one of the USB to USB cables.

Apple Increases LaCie USB-C Drive for Mac to Its Lineup

Apple Company carries the LaCie USB-C drive which is used for Mack to its lineup.

And this post will show more detailed information.

Final Words

Its time to make a conclusion.

You have known what USB to USB is and what it is used for.