As someone who has been through a LOT of headphones over the years, there are certain things I always look for. These in-ear headphones from GGMM tick pretty much all the boxes that I'm looking for, with just one or two little things holding them back from a perfect review.

First and most importantly, the audio quality for these headphones is extremely clear. Obviously, they aren't at the same level as high-end over-the-ear headphones, but for in-ear headphones they are very high quality. They also shut out external noise very well, and I found that my music was almost impossible to hear for others, so using these around others doesn't carry the risk of bothering them with your music spilling out.

The remote that is attached to the wire allows you to answer/end/block incoming calls, and the microphone does a good job for making and receiving quick calls. When listening to music, the same button allows you to start, stop and skip tracks, but I was never once able to get it to go to the previous track (apparently with 3 presses, but it did not work for me). There's also no volume controls on the remote, which I feel is a big oversight.

In terms of comfort, I had no issue with these headphones. I used them at home, on the way to work, and while going out for a walk, and they didn't cause me any discomfort. I did find that they fell out of my ears a bit too easily when I was running, or if something pulled the wire even a tiny bit, but that's just the nature of any in-ear headphone with a similar design.

Finally, these headphones come with three earbud sizes, and a carrying case that I really liked the look of. Headphones like these get tangled and damage extremely easily in a pocket or a bag, so a small carrying case is a great idea.

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Pros
+ Great sound quality
+ Lifetime warranty
+ Carrying case to help keep these in good shape
+ Three different earbud sizes to choose from
+ Comfortable in the ear
+ Cuts down on external noise

Cons
- Limited controls on the attached remote
- Not super well attached when in the ear

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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.