Technical InformationConnectivity Technology: WiredCable Length: 3 ftSound Mode: StereoImpedance: 32 OhmMinimum Frequency Response: 20 HzMaximum Frequency Response: 23 kHzConnector Plating: Nickel PlatedFeatures: LightweightEarpieceEarpiece Design: EarbudEarpiece Type: BinauralDriver Size: 0.53 Earpiece Sensitivity: 105 dBInterfaces/PortsHost Interface: Mini-phone (3.5mm)Physical CharacteristicsProduct Color: BlackForm Factor: Outer-earMiscellaneousAdditional Information: Magnet: Anisotropic FerriteFilm: 0.009mmCoil: 7.4mmChannel Balance: < 3 dBRated Input: 1 mWMaximum Input: 5 mWApplication/Usage: CD PlayerRecycled: NoAssembly Required: NoCountry of Origin: ChinaWarrantyLimited Warranty: LifetimeAdditional Warranty Information: Lifetime Limited Warranty.