... , clear voice, comfortable wearing headphone, multiple use High quality, Hi-tech, modern headphone, multiple use for MP3, MP4, desktop computer, laptop, DVD.Light ... .0mmSensitivity OmnidirectionalDirectivity 2.2kΩlmpedance 32ΩDriver Diameter Ø40.00mmImpedance 32Ω±3%Frequency Response 20~20kHzSensitivity(S.P.L) 103±3dBCord Length ...