These bluetooth headphones are the only ones of this design that I've ever seen, and I was interested to see if this new style was an improvement over other designs. Sadly I found these headphones to be very uncomfortable to wear, and all of the flaws that bothered be while using them are related to this unique design.

These headphones go over your ears and behind your neck, and are made of one solid piece of plastic without any wires to deal with. This is intended to make them less likely to move while exercising, and to eliminate the wear and tear that often causes problems with wires, but the result is a very uncomfortable design. Fitting these in my ears was almost painful, and when using them while running or walking I found they still moved and bounced around. Wearing them for any length of time left me with aching ears. This could be related to the plastic material and it might work better in a leather accent, which would be softer on the head.

The buttons are all located on the part of the headphones which sits at the back of your neck, facing downwards, making it very annoying to make any adjustments at all while using them.

In terms of audio quality, these headphones were good and the audio was clear. The bluetooth functionality was also easy to set up and to use, and they also come with a variety of options for in-ear comfort, which is always a good idea to get the best fit for you. Sadly, none of these things make up for the fact that this product was unpleasant to use, and I really cannot recommend them. These might be better suited to someone with a smaller head.

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Pros
+ Bluetooth works well, easy to set up
+ Audio quality was good

Cons
- Uncomfortable to wear
- Shakes when running or walking
- Stiff and sometimes painful design
- Buttons behind the neck are annoying to reach
- Plastic seems very cheap.

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Note: I received this product at a discounted rate in exchange for an unbiased, honest review as provided here. As a consumer advocate, I believe in providing quality and honest feedback and receiving a product at a discounted rate will never affect my opinions.