HamiltonBuhl NC-HBC Noise-Cancelling Headphones
• Over-ear design
• 3.5mm (1/8") TRRS stereo plug
• 5' braided nylon cord
• (1) AAA (not included)
• 40mm Neodymium speaker drivers
• 20Hz-20KHz frequency response
• 32 ? Impedance
• 110dB sensitivity
• Up to 20-25dB active cancellation
• 100-500Hz cancellation