Noise Cancelling Stereo Headphones for Uninterrupted Music Listening Active noise cancellation circuit reduces noisy engine sound Foldable design ideal for travellingFeature Description: Driver Units: 30mm rare-earth magnet transducer Frequency Response: 20Hz to 17kHz Noise Canceling: 15dB at 300Hz Impedance: 32ohms Sensitivity: 121dB Input Plugs: 3.5mm Dual plug adapter for airplane use Cord Length: 1.6meters Net Weight (w/o battery): 146gm |