Good headphones but not tangle free.
592457
Product is good, some static and the occasional shock when recharging my phone and using the headset.
It still gets tangled which is why it only gets 2 stars. Otherwise it is decent.
25802
If the main thing you are looking for is sound, then these headphones are not for you. But if you are looking for comfort and no tangles with okay sound, then by all means buy these headphones.

The back of the box says no tangles, and I haven't had any problems with tangles so far. Next it says comfort, and, wow, these are the most comfortable in ear headphones I've owned. Another thing the box says is powerful bass and crystal clear highs. I would agree with the powerful bass, but not with the clearness of the sound. Maybe I've been spoiled by my professional headphones, but the sound clearness is not terrible, but not great.

One concern that I have is how the zipper makes sound in my ear when it rubs against my chest. However, this isn't a problem for me because I'm not using the headphones for running or similar activity.

Everything seems well built and that it will last a while. I'm satisfied with my purchase.
2104473
These are high quality headphones. They live up to that name. They could have gotten 5 stars if it weren't for the fact that when I got them I had to put the things that make them stay In your ear on, and that those didn't help and made having the headphones in my ear feel awkward. They live up to every standard other than the stability issue I had.
3858397
They don't tangle easily, the cord is long, they sound fine, and they stay in well.  That's pretty much all I ask.  Like all earbuds, they can make my ears sore after a couple hours of use, but I still prefer earbuds to big, bulky headphones for podcasts and audiobooks while I'm at work.  I like to use one at a time so I can hear coworkers when they talk to me.  This helps with soreness because I can switch ears throughout the day.
4184604
I really like these headphones. The sound quality is good. I like the exterior coating on the wire because it helps them from getting tangled, and when they do get tangled it is not so hard to untangle. The button on the microphone is convenient to pause the music. I also really liked that the headphones came with a wide assortment of ear pieces because that is a common problem for me. I have oftentimes found that the earbud will fall out of my ear because I cannot get an earpiece that fits, but these ones work good. I would not hesitate to purchase again.
3366367
While I still enjoy the sound from these headphones, they are just a bit too bulky for me to really want to keep. I will use them until they finish falling apart. The biggest problem with these headphones is the actual build quality. I take really good care of the headphones, I store them in the pouch when not in use, but they still are falling apart. Both earpieces are losing the covers and it's coming apart at the seems. I contacted Bass Effect and they said it's not in warranty, but I can ship them out and they will fix them for free. That is good at least, but I have to pay to ship them, then be without them for a period of time. I may attempt to just glue the seam myself, otherwise just get a new pair once the cover falls off.

There is also another company called Bluedio that makes the EXACT same headset. I'm not sure if they are the same company and they get made from the same place in China.

I still support my original post with the great features and sound. The Bluetooth calling though doesn't work very well. 99% of the time, people cannot hear me.

For my next pair, ill look for something a bit more expensive, but still not going with Beats.

I re-submitted this post so I can attach a picture
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Original Post:

I was looking for a good headset for a while.  I just picked up a Motorola X, which supports Bluetooth 4.0 LE (Low Energy) and decided to give these a try after reading all the reviews.

These fit on the head nicely, have good padding, and cover my ear very well.

NFC Pairing is a nice little feature. Just tap your phone against it (assuming your android phone supports it) and it automatically pairs it.

Sound wise, these are very good.  There is a LOT of bass, but most apps have some sort of equalizer that lets you adjust if you want less. I listen to a lot of talk radio and Rock music and it hasn't been an issue at all. Vocals come in nice and clear.  They are loud, so you may not want to have your Bluetooth volume up all the way.

I haven't used the Bluetooth calling much, but the few times I have it was nice and clear on both ends.

I would recommend these to anyone looking for a good priced Bluetooth headset.  I'm not sure why anyone would spend $280 on a Beats pair aside from the name.
2582555
I like almost everything about these headphones - sound quality, time between charges, comfort over my ears, connectivity - but when I am doing something truly active such as gardening or fencing, where there is some exertion and accompanying head motion, they just do not stay put properly, and I have to use a speaker clipped to a belt loop instead.  They are much nicer than my heavy work headphones otherwise, but are basically suitable just for fairly light applications.
4288484
I quickly abandoned these earbuds after using them for only a short time.
My main complaint is the high level of noise that transfers through the cables into the earbuds. I'm okay with a certain amount of such noise traveling through the cables, but I found it too distracting in these buds. Just sitting still and breathing caused distracting noise. Forget about walking.
And then there's the short in the wires. After limited use, I started hearing a buzzing sound, which quickly grew worse. I found that if I jiggled the cables near the mic that I could stop the buzzing. So these are great if you want to sit perfectly still, not breathing, and gently holding the cables in place.
These are also the worst earbuds I've had in terms of tangled cables. Just awful. I know you'll have tangles with nearly any headphones. It's just going to happen. But these earbuds didn't just tangle. They formed knots.
I ordered a pair with red cables. I really liked the shade of red they used.
2674727
I bought them understanding that one of the earphones would have a longer length to go around the back of your neck, which can be helpful when on the move. However, the part that connects both the right and left earphones eventually broke; the earphones split and separated, causing them to tangle. The sound eventually stopped coming out of one of the earphones which may have been caused by them constantly getting tangled. I bought these some time last year and I think this is the third Yamaha earphones I have bought so far, but the first time buying the C300. With the other Yamaha headphones I bought, I read that another Amazon customer had the same issue I had with the material of the cord tearing and exposing a bit of the wire's copper near the earbud. I like the Yamaha brand and their history of making instruments as I am a musician and love to listen to music A LOT. I have found their in-ear headphones can help reduce outside noise which is a plus. But considering that many people like to connect their headphones to smartphones, it may be too much weight for the thin material of these headphones and similar headphones.
1687841
They are good but  they do not connect to headphones very well
4195814
Excellent sound quality and build quality.  Purchased as a gift for my wife.  Minor nuisance is that cords tangle when my wife wraps them around her old iPod.  She uses them in a work environment and needs to hear someone approaching for discussion or such, so doesn't insert the buds fully because they truly eliminate ambient noise.  This leads to the ear buds falling out from time to time and she complains about that.  For that reason she rates it a four.
3761115
***UPDATE AFTER USE*** While the cord is indeed not flat as the description said at the time of my purchase and as I say in the original review below, I will say I have upgraded my rating and posting this update:  This cord, eventhough round in profile, indeed seems to be tangle-free.  Compared to the original i-phone/pad/pod in-ear cords which seem to tie themselves into Gordian knots the moment you zip them up inside a bag pocket, this one does not.  Very happy with the discovery.***END OF UPDATE***

Sound is ok and about what you expect for the price. In-ear fit is great. But one of the reasons I chose this set was older reviews mentioning that the cord was flat and strong, unlike usual round headphone cords and which made this set tangle-free.  What I received had the normal white round cord like any other set of headphones. Having chosen this set for its purported tangle-free properties, that's disappointing, so 3 stars only.
2743436
The sound is exceptional. Only gave 4 due to rare interference. They are comfortable to wear, but they tend to slide off your head if you bend over. Overall pleased with the headphones
3980538
No tangle earphones but voice quality not great. OK to call and meeting but not for music.  Looks great.
513018
Sound is very good but tangles very easily and now kinked.
2904924
I bought these previously and I like the sound quality. So when that set went (I have to admit they lasted much longer then the ear buds) I decided I had to have another pair.
The only problem is that sometimes when using the NoiseHush for talking I have gotton complaints about noise interference.
These are not "Beats" but they'll do,
2052805
I love these headphones. the sound quality is wonderful. The control works great with my IPOD. And the tangle free really does what it says, they never tangle. Would buy these again