Boom mic length (mm): 130 mm, Signal-to-noise ratio: >118 dB, Impedance: 32 ohms, Button user controls: Call answer/ignore/end/hold; Redial; Mute; Volume +/-, Speaker bandwidth: 200 Hz to 6.8 kHZ, Boom mic rotation: 270°, Ear cushions: Artificial leather (surface material), Compatible Operating Systems: Windows 11; Windows 10; macOS, Warranty: 02 Years, 80S07A6.