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You know, those guys that say you should mount a hanger to the bottom of your desk so you can get your headphones out of site. The fact is that I like my headphones easily available without reaching under the desk, however,I do like to have multi-use products that at least limit some of the "clutter".
Below is a prior pick of my desk to give you an idea of the amount of stuff I like to keep at arms length.
USB Features
I have mine plugged into another powered USB device, rather than the computer. With this setup, I tested plugging in my iPhone 6s plus and it provided it with a charge. I am not sure how fast it charges compared to plugging the iPhone into the wall, but at least I was getting some battery power while moving data from my iPhone to a computer and from the computer to the iPhone.
Headphone Features
The one thing that really sold me was the cable management built into the back of the stand. As anyone with a regular stand knows, if you are using headphones without an detachable cable, you can end up with several feet of cable to wrap up and try to hide. However, this stand has loops built into the back that you can wrap the headphone cable around.
As you can see from the picture below, I keep it fairly loose so I don't have to unwind the cable, but you can wind it a lot tighter if you want a cleaner look. For me, the stand is in a position so that you can't see the back of the stand and you can't see how loose I keep it.
I have a Cambridge DACMagic and a Head Canamp for my headphones, so I don't have much use for this port, but if you have bought into the "low clutter" movement, this might be ideal if you haven't decided to store your headphones under the desk.
As a side note, I am sure a lot of people with ugly, cheap or embarrassing headphones may want to store them out of site, but if you paid a couple hundred bucks for your headphones, I would expect that you might not mind having them on top of your desk.
Note: I get paid commissions for purchases made through any links to Amazon products in this post.