... , Hi-tech, modern headphone, multiple use for MP3, MP4, desktop computer, laptop, DVD.Light weight, comfortable and attractive looking, clear voice ... Dimensions Ø6.0X5.0mmSensitivity OmnidirectionalDirectivity 2.2kΩlmpedance 32ΩDriver Diameter Ø40.00mmImpedance 32Ω±3%Frequency Response 20~20kHzSensitivity(S.P.L ...