What Those Rings on a Headphone Plug Are For?
- Nov
- 18
- Posted by Coe Team
- Posted in BRIGHT SIDE
- off
Date: 2021-11-14 15:00:05
Our life is full of objects and things we know little about. We might even use them on a daily basis but in the end we have no idea what some details in their design mean. Let’s take a look at this rings on headphone jacks. What are they for?
#brightside #shorts
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