• 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 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 • 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 cool and dry place. China