It's most distinctive feature is its unusual shape of the inner ear piece designed to provide a comfortably snug fit even when you are jogging full speed on a treadmill.

I didn't like the shape of these buds as they cut you off from the outside would, but not in a way that gave you better sound or louder clearer sound.

The weird shape of the ear tips didn't stay in my ears at all

I was very disappointed to find that this newer model that cost $50 more is inferior to the older model that I have:- sound quality is poor- uncomfortable in ear- wires are stiff and not pliable.- the slitter (i.e. plastic part that splits the single wire into two) is odd shape and make wires that go to ears hang in front of my face

The ONLY things I'm not thrilled with is that they changed the plug-in from L-shaped to I-shaped and that the spot where the buds split is a weird T-shape as opposed to the traditional Y-split

But my biggest gripe is with the annoying T-shape where the cord splits into two

I do not like the T-shape where they

The devil-shaped StayHear tips make sure the tips stay firm and secure

Superb Use them while doing work, they are super noise cancelling almost as good as the over ear headphones

And yes the cord sucks as it is very noisy

These work!- Sound is amazing.- Blocks out sound so that people can't hear what you hear so play it as loud as

I don't blame the store employee as it didn't appear he had any control over making it