Sony WH-CH730N Wireless Noise Cancelling Headphones CH730N

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.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 BoxSUPPLIED ACCESSORIES - Connection CableNoise CancelingAmbient Sound Mode - YesNoise Canceling ON/OFF Switch - YesBluetooth® SpecificationBluetooth® version - BLUETOOTH Specification Version6.0Effective Range - Approx. 10 m (30 ft)FREQUENCY RANGE - 2.4 GHz band (2.400 0 GHz - 2.483 5 GHz)Profile - A2DP, AVRCP, HFP, HSPSupported Audio Format(s) - SBC, AACSupported Content Protection - SCMS-TProcessor/TransmitterInput(s) - Stereo Mini JackBatteryBattery Charge Method - USBBATTERY 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 - YesChemistry of Embedded Battery - Lithium-ion (Li-ion)Battery Form - RechargeableSize & WeightWeight - Approx. 207 gGeneral FeaturesFrequency Response - 6 Hz - 20 000 Hz (JEITA)Cord Length - approx. 1.2 mCord type - Single-sided (detachable)Driver Unit - Dynamic, 30 mmImpedance (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 plugWearing Style - Over EarHeadphone Type - ClosedDSEE - YesFrequency 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 - YesAmbient Sound Mode - YesGeneral Features (Active Headphones) - YesSensitivity (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)