[. . . ] [. . . ] Use the integrated voice module in your favorite messenger for worldwide discussion groups and videoconferences. Enjoy your music with solid bass and clean high frequencies without disturbing your family, colleagues or neighbors. Maximum comfort The design of the Master Pro headset is ultralight for maximum comfort, even after hours of use. The headset features an inline controller with a mute for the high-quality microphone and a volume control. Technical Details Frequency response (headphone): 30 Hz - 18 kHz Impedance: 32 ohms Characteristic SPL 112 dB SPL at 1 V / 1 kHz 0. 8 m cable to volume control, 3 m total cable length Connectors: 2 x 3. 5 mm jack Frequency response (microphone): 80 Hz - 15 kHz Pick-up pattern: unidirectional Sensitivity: 38 dB at 1 V/Pa, 1 kHz Impedance approx. [. . . ] [. . . ]