Connectivity: 3.5 mm jack, Impedance: 32.5, Ear Cushions: Soft foam & fabric, Polar Pattern: Bi-directional, noise-cancelling, Audio Connection: Wired 3.5mm (4-pole CTIA), Audio Controls: Onboard audio controls, Sensitivity (Microphone): -40.5 dBV (1 V/Pa at 1 kHz), Sensitivity (Headphone): 95 dBSPL/mW at 1 kHz, Element: Electret condenser microphone, Warranty: 02 Years, 6H9B5AA.