Specifications HD Noise Cancelling Processor QN1, Integrated Processor V1, and multiple microphones for distraction-free listening Fully automatic Personal Noise Cancelling Optimizer and Atmospheric Pressure Optimizing 30mm driver unit specially designed to deliver brilliant sound Super clear calls with 2x2 beamforming microphones and AI-based noise reduction system Extremely comfortable lightweight design made from "matching soft leather" Driver Unit 30mm DSEE Extreme Yes Input Stereo mini jack Frequency Response 4 Hz - 40,000 Hz (JEITA) Frequency Response (BLUETOOTH®‎ Connection) 20 Hz - 20,000 Hz (44.1 kHz sampling) / 20 Hz - 40,000 Hz (LDAC 96 kHz sampling, 990 kbps) Frequency Response (Active Operation) 4 Hz - 40,000 Hz Passive Operation Yes For sale (highest bidder)