* has a variety of noise reduction modes, which can be selected according to different scene requirements, and the noise reduction level can be set.
* Exquisite design, high value and meticulous workmanship.
* Equipped with dynamic sound quality equalization technology, the sound quality can be automatically adjusted according to music types and user needs.
* Shark fin design can improve wearing comfort.
If you encounter any problems or need more information when using BOSE 427929, you can contact BOSE's customer service.