Truly wireless in-ear headphones with digital hybrid noise-cancelling technology Ambience control (noise-cancelling and hear-through) can be employed for music playback and calls Use the touch sensor to choose from five preset noise-cancelling modes or optimized noise cancelling that adapts to your current environment Hear-through function allows you to hear ambient sounds (plus your own, unmuffled voice) so you can talk to others around you without removing your earbuds Newly designed 5.8 mm high-resolution drivers deliver an extended high-frequency range and improved sound detail