The earphones have insufficient rebound and concentration; the treble sibilance is still heavy, and the overall tone is not bright enough; the resolution has improved, and the details are gradually clearer, but overall it is average. The in-line control is easy to use and calls are clear; using the built-in music player on your mobile phone, the in-line control is perfect for control.
The sound isolation effect is already good, after all, it is not an earmuff type. If we talk about it from the perspective of sound quality: the sound quality is not that great, and it is open-ended, so it feels a bit stuffy, and there is a feeling that the sound field is holding back and cannot be let go, the bass is not strong (cannot go down), and the treble is not clear ( Can't go up).