General Features Headphone Type:Closed, dynamic Driver Unit:40mm, dome type (CCAW Voice coil) Magnet:Neodymium Diaphragm:Aluminum coated LCP Frequency Response:4Hz-40,000Hz Frequency Response (Active Operation):4Hz-40,000Hz Frequency Response(Bluetooth® Communication):20Hz - 20,000Hz (44.1kHz Sampling) / 20Hz - 40,000Hz (LDAC 96kHz Sampling, 990kbps) Sensitivities (dB/mW):105dB / mW (1kHz) (when connecting via the headphone cable with the unit turned on) , 101dB / mW (1kHz) (when connecting via the headphone cable with the unit turned off) Cord Type:Single-sided (detachable) Cord Length:Headphone cable (approx. 1.2m, OFC strands, gold-plated stereo mini plug) Plug:Gold-plated L-shaped stereo mini plug Wearing Style:Circumaural NFC:Yes DSEE Extreme:Yes Passive Operation:Yes Battery Battery Charge Time:Approx. 3 Hours (Full charge) Battery Charge Method:USB Battery Life(Waiting Time):Max. 30 hours(NC ON), Max. 200 hours(NC OFF) Bluetooth® Specification Bluetooth® version:Version 5.0 Effective Range:Line of sight approx.30ft (10m) Frequency Range:2.4GHz band (2.4000GHz-2.4835GHz) Profile:A2DP, AVRCP, HFP, HSP Supported Audio Format(s):SBC, AAC, LDAC Supported Content Protection:SCMS-T Noise Cancelling Noise Canceling ON/OFF Switch:Yes Personal NC Optimizer:Yes Atmospheric Pressure Optimizing:Yes Ambient Sound Mode:Yes Quick Attention:Yes Portable Headphone Amplifier Volume Control:Touch Sensor Processor/Transmitter Input(s):Stereo Mini Jack