For $10 or less, the USB-C Skullcandy Jib is excellent. It sound as a good as many USB-C earphones twice the price. I'm no audiophile, but I own or have owned several audiophile recommended headphones over the years, so I know what good audio sounds like. The Skullcandy Jib is not as good as those, but it's close enough, and is excellent for the average consumer.
The clarity is good, there's not pop or hiss or whine (which I have to say because other cheap earphone sometimes do have noise like this) which is to be expected from a quality name brand like Skullcandy. The sound signature's similar to the older wired Jib I've used in the past, but it seems like they tweaked the bass up and slightly improved the treble. Traditionally, the Jib has been a mid / vocal focused earphone, and that part hasn't changed, but it looks like recently Skullcandy's decided to add more bass to the Jib to fit what most consumers want.
It's not an overwhelming amount of bass, it doesn't overpower the mids for instance, but it does compete with them a little. Treble's improved a little too. Not as emphasized as the mids or low end, but what's there is good without being fatiguing, and has more detail than the Jib had in the past.
Overall, I'd say that the Jib has been changed over the years from being "flat" tuned, to "harman curve" tuned instead. AKA more exciting and less studio accurate, which to be fair, is what most people want.
I had no issues with the USB-C connection, or connector, although the wires look a bit thin so I don't know how durable this set will be long term. At any rate, I wouldn't recommend treating them roughly. There are only 2 sets of included eartips. Medium (which are the ones on the earphones by default) and small, which come in a little plastic bag. Medium fit me just fine, but those who need "large" eartips will have to get those separately.
Overall, these are great for the price, and I recommend them. Audiophiles might want better, but could probably tolerate these, which is more than can be said for the even cheaper stuff, like the Case Logic "2 for $10" USB-C earphones I tried recently, which were barely adequate, sound much worse and are much less comfortable than the Jib, and would immediately be returned by audiophiles.
The Skullcandy Jib (in USB-C) are comfortable, sound good, and cheap, and also sound the way most consumers want earphones too, so I recommend them. I don't know how durable they are long term, but I treat my stuff with care, so I hope I won't have to find out the hard way.