- Premium noise cancelling with Dual Noise Sensor technology. - Ambient Sound Mode helps you hear what matters. - Rich, well-balanced audio with DSEE and 360 Reality Audio. - Lightweight (approx. 207g) design for comfortable all-day listening. - Foldable design made for easy everyday portability. - Up to 50 hours of battery life with Noise Cancelling on, up to 75 hours with it off. - Clear calls with Precise Voice Pickup technology. - Customize your sound in the Sony | Sound Connect app. - Easy button controls and Quick Access shortcuts. - Fast Pair, Swift Pair, and Multipoint Connection for easy use. What’s in the Box: SUPPLIED ACCESSORIES - Connection Cable Noise Canceling Ambient Sound Mode - Yes Noise Canceling ON/OFF Switch - Yes Bluetooth Specification: Bluetooth version - BLUETOOTH Specification: Version6.0 Effective Range - Approx. 10 m (30 ft) FREQUENCY RANGE - 2.4 GHz band (2.400 0 GHz - 2.483 5 GHz) Profile - A2DP, AVRCP, HFP, HSP Supported Audio Format(s) - SBC, AAC Supported Content Protection - SCMS-T Processor/Transmitter Input(s) - Stereo Mini Jack Battery Battery Charge Method - USB BATTERY LIFE (CONTINUOUS COMMUNICATION TIME) - Max. 35 hours (NC ON), Max. 40 hours (NC OFF) General Features:(Active Headphones) - Max. 50 hrs (NC ON), Max. 75 hrs (NC OFF) Lithium Battery - Yes Chemistry of Embedded Battery - Lithium-ion (Li-ion) Battery Form - Rechargeable Size & Weight Weight - Approx. 207 g General Features: Frequency Response - 6 Hz - 20 000 Hz (JEITA) Cord Length - approx. 1.2 m Cord type - Single-sided (detachable) Driver Unit - Dynamic, 30 mm Impedance (Ohm) - 100 Ω (1 kHz) (when connecting via the headphone cable with the unit turned on), 25 Ω (1 kHz) (when connecting via the headphone cable with the unit turned off) Plug - Gold-plated L-shaped stereo mini plug Wearing Style - Over Ear Headphone Type - Closed DSEE - Yes Frequency Response (Active Operation) - 6 Hz - 20 000 Hz (JEITA) Frequency Response (Bluetooth Communication) - 20 Hz - 20 000 Hz (Sampling frequency 44.1 kHz) Passive Operation - Yes Ambient Sound Mode - Yes General Features: (Active Headphones) - Yes Sensitivity (dB/mW) - 108 dB/mW (when connecting via the headphone cable with the unit turned on), 99 dB/mW (when connecting via the headphone cable with the unit turned off) All day comfort without the noise. Great sound and dependable noise cancelling deliver all you need in these lightweight, foldable and uncomplicated headphones. Enjoy lasting comfort for extended listening, with a hassle-free, portable design. 12 Months Local Manufacturer Warranty Store in dry cool place. China