Sony Electronics Inc. •16530 Via Esprillo •San Diego, CA 92127 •1.800.222.7669 •www.sony.comMDR-NC500D Digital noise canceling headphoneSpecifications1. Actual battery life may vary based on product settings, battery, usage patterns and environmental conditions.2. At 160Hz.©2009 Sony Electronics Inc.Sony is a trademark of Sony. All other trademarks are property of their respective owners.Features and specifications are subject to change without notice. Non-metric weights and measures are approximate.Last Updated: 07/08/2010The Sony MDR-NC500D digital noise canceling headphones are the world’s first headphonesthat use digital technology to realize incredible noise reduction along with pristine qualityaudio. The ground breaking new digital signal processing technology reduces up to 99% ofambient noise from airplanes, trains, or at the office.2World’s first headphone with digital technology for precise noisecancelingArtificial Intelligence (AI) noise canceling with automatic selectionbetween three different environment modes (Airplane, Bus/Train,Office)Digital equalizer for accurate sound reproduction with widefrequency responseMonitor switch to let surrounding sounds be heardUp to 99% ambient noise reductionGeneralMagnet: NeodymiumPlug: Gold-plated, L-shaped stereo mini plugHeadband: Adjustable, Foldable (Swivel)Design: Premium over the head, Noise cancelingType of Use: Noise cancelingAudioFrequency Response: 5 - 24,000HzImpedance: 40 ohms at 1kHz (on)Driver Unit: 40mm diameter, dome typeSelectivity: 3 distinct noise-canceling modes for use inthree accoustically different environments (Airplane,Bus, office)Sensitivity (db): 102dB/mW (on)HardwareCord: Single-sided cord connects to left earpieceHeadphone Type: Closed, dynamicPowerPower Handling Capacity: 100mWBattery Type: DC1.5V- 2 size AA battery, DC 3.7V -built inrechargeable Lithium-ion batteryBattery Life (Approx): 16H(with built in fully chargedbattery) 28H(with fully charged built in battery and 2fresh AA batteries)DimensionsWeight: 6.9oz/195g (including built in battery)Supplied AccessoriesCarrying CaseAC Power adaptor for charging internal battery(2)AA BatteriesInflight plug adapterUnimatch plug adapterConnecting cordx3 (.5m stereo mini, 1.5 type stereomini, cord with battery case)Startup guideWarranty cardColor: BlackUPC Code: 02724272445711