Hi, They are very good for listening through and provide great quality sound. The work with my S10PLUS effortlessly. The feel comfortable when wearing them - just pick the right size of cup for in your ear, so it it not too tight in your ear; they are more secure than the initially feel. The only drawback for me is I use my phone almost constantly for work and regularly get comments about how hard it is to hear me when I use the buds. One colleague even said I sounded like a velociraptor, which I thought would be a great fun sound changing app, but was not what I wanted to hear in a conference call. I have been back to the Samsung shop to get technical help and all they could suggest was that I check the software version and perform a factor reset. All done and updated, but no change in the voice quality. I would suggest if you will be hoping to use them to make calls they might not be the ones for you. I have had to revert to my wired headset for voice calls.
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