Catalog > Consumer Electronics > Computer Peripherals > Computer Accessories Headphones Headphones HEADPHONE -2690 + MIC #TT DYNAMIC HEADPHONE WITH MIC Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Frequency range : 20~20KHzSensitivity : 110dBImpedance : 32ΩCable Length : 2~3mMaximum power input : 80mWJack(mm) : 6.3+3.5mm stereoLoudhailer : 40mmMicrophone : 9X7-58dB