Connectland stereo headphones give you better comfort with its thick soft-cushioned ear pads. On the Ear Stereo Headset with Detachable Microphone. Padded Headband. Frequency Response: 20Hz - 20,000Hz. Directivity: Omnidirectional. Speaker: 40 mm. Speaker Sensitivity: 108 dB. Impedance: 32Ohms. Rated Power: 100 mW. Microphone Unit: 6x5mm at -58 +/- 2 dB. Flexible Microphone Pole Length: 3". Plug Type: 3.5mm Stereo Jack and 3.5mm Microphone Jack. Volume Adjustable. 8 Feet Cable with Added Layer of Protective Cloth.