SONY WH-H900N Wireless Headphones with noise cancellation

Sony WH-H900N Hear on 2 Wireless Overear Noise Cancelling High Resolution Headphones, 2.4 oz VOLUME CONTROL Touch sensor HEADPHONE TYPE Closed, dynamic INPUT(S) Micro USB, stereo mini jack USAGE TIME Max. 28 hrs (NC ON), Max. 34 hrs (NC OFF) CORD LENGTH Approx. 1.2m FREQUENCY RESPONSE (BLUETOOTH® COMMUNICATION) 20–20,000 Hz (44.1 kHz sampling)/20–40,000 Hz (LDAC 96 kHz sampling, 990 kbps) MAGNET Neodymium NFC Yes IMPEDANCE (OHM) 32 ohm (1 kHz) (when connecting via the headphone cable with the unit turned on), 16 ohm (1 kHz) (when connecting via the headphone cable with the unit turned off) PLUG Gold-plated L-shaped stereo mini plug PASSIVE OPERATION Yes DSEE HX Yes CHARGE TIME Approx. 6 hrs CORD TYPE Single-sided (detachable) DRIVER UNIT 40 mm, dome type (CCAW Voice Coil) DIAPHRAGM Titanium-coated diaphragm S-MASTER HX No WEARING STYLE Circumaural FREQUENCY RESPONSE (ACTIVE OPERATION) 5–40,000 Hz (JEITA) SENSITIVITIES (DB/MW) 103 dB/mW (1 kHz) (when connecting via the headphone cable with the unit turned on), 98 dB/mW (1 kHz) (when connecting via the headphone cable with the unit turned off) Noise Cancelling QUICK ATTENTION Yes AMBIENT SOUND Yes PERSONAL NC OPTIMIZER No NOISE CANCELLING ON/OFF SWITCH Yes AUTOMATIC AI NOISE CANCELLING Yes ATMOSPHERIC PRESSURE OPTIMIZING No