Sony Wireless Noise Canceling Stereo Headset

Brand new still in box with plastic sealed on it. Got as a gift a while back but have a set already. Specs: HEADPHONE TYPE Closed, Dynamic DRIVER UNIT 30mm, Dome IMPEDANCE (OHM) 72ohm (when connecting via the headphone cable with the unit turned on) , 33ohm (at 1kHz) (when connecting via the headphone cable with the unit turned off) FREQUENCY RESPONSE 7 Hz - 20,000 Hz (JEITA) FREQUENCY RESPONSE (ACTIVE OPERATION) 20Hz-20,000Hz (POWER ON) (Wired) FREQUENCY RESPONSE(BLUETOOTH® COMMUNICATION) 20Hz - 20,000Hz (44.1kHz Sampling) SENSITIVITIES (DB/MW) 94dB / mW (at 1kHz) (when connecting via the headphone cable with the unit turned on) , 100dB / mW (at 1kHz) (when connecting via the headphone cable with the unit turned off) VOLUME CONTROL Yes CORD TYPE Detachable Single-sided type CORD LENGTH Approx. 1.2m (supplied headphone cable) PLUG L-shaped stereo mini plug (supplied headphone cable) INPUT(S) Stereo Mini Jack NFC Yes PASSIVE OPERATION Yes Battery BATTERY CHARGE METHOD USB BATTERY LIFE(CONTINUOUS MUSIC PLAYBACK TIME) Max 35hrs (BT NC) BATTERY LIFE(CONTINUOUS COMMUNICATION TIME) Max 35hrs (BT NC) BATTERY LIFE(WAITING TIME) Max 200hrs (BT: ON / Noise Canceling: OFF) Bluetooth® Specification BLUETOOTH® VERSION Version5.0 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) AAC, SBC SUPPORTED CONTENT PROTECTION SCMS-T Noise Cancelling NOISE CANCELLING ON/OFF SWITCH Yes AUTOMATIC AI NOISE CANCELLING Yes What's In The Box: Connection Cable USB Cable