OVERVIEW: Well-Defined Deep Bass Response The Free Edge Driver System has a highly elastic nanofiber diaphragm that is not directly fixed to the driver frame. This creates smoother movements of the diaphragm to produce dynamic and high resolution bass sound. Voice Assistant Activation You can launch smartphone voice function to select music, adjust the volume, and make phone calls, with your voice. Voice Assistant Activation 20 hours Playback Noise Cancelling that you can keep on for more than...