Stereo Headphones with Microphone & In-line Volume Control Perfect for Skype or Video conferencing With this stereo headset you will experience great sound quality during your conversations. Because of the large and closed ear cushions, this headset is also very suitable to listen to your favourite music. This headset also has an in-line volume control. Product Description Cable Length: 1.8 m Type: Closed Frequency Range: 20 - 20.000 Hz Connection: 2x Jack Stereo Male 3.5mm Weight: 122 gr Outputs: Stereo Bass Vibration: No Microphone: Yes In-Line Volume Control: Yes Application: Multimedia Noise Cancelling: No Speaker Impedance: 32 Ohm Speaker Sensitivity: 112 dB Microphone Sensitivity: 51 - 57 dB