Has pros: Easy to fit, do not fall out and do not dangle. well put together Cons: Interlocutors complain about the quality of the microphone, especially on the street.

Has pros: The earphones are really comfortable on the ears and do not fall off, which is what I was looking for. Has some cons The out of sync between the left and right earphones causes the music to stutter constantly trying to equalize

Has some pros Good sound, securely kept in the ear when playing sports, good sensor. Cons: Very bad sound in the microphone, playback is interrupted in the cold.