If you need to use earbuds, headphones, or microphones on a computer that only has a USB port, then this adapter will really come in handy.
On one end of the adapter is a standard USB port. On the other is a typical round headphone jack. Connect your earbuds, headphones, or microphones to the round jack and connect the USB port to your computer. That's it.
The adapter has both listening and speaking abilities. You can use it with our earbuds, earbuds with mics, headphones, etc. It also has volume capability.