Advanced bluetooth 5.0 technology with the most up-to-date bluetooth 5.0 technology available. these bluetooth earbuds will give you increased range, speed, and high available bandwidth intelligent touch control & one step pairing - our bluetooth true wireless earbuds will auto power on when taking out them from the charging case and pair with each other, then to your device passive noise cancellation our wireless charging earbuds bring you hd sound via the high-quality speaker driver. you will experience crystal clear sound without distortion and rich bass performance passive noise cancellation our wireless charging earbuds bring you hd sound via the high-quality speaker driver. you will experience crystal clear sound without distortion and rich bass performance passive noise cancellation our wireless charging earbuds bring you hd sound via the high-quality speaker driver. you will experience crystal clear sound without distortion and rich bass performance