Brand - Logitech, Model - Logitech H151, Type - Regular Headphone, Connectivity - Wired, Frequency Response (Hz - kHz) - 20Hz - 20kHz (Headphone), 100Hz - 6.50kHz (Microphone), Sensitivity (dB) - 122dB +/-3dB (Headphone), -44dBV/PA +/- 2.5dB  (Microphone), Impedance (ohm) - 22ohm, Microphone - Yes, Plug Type - 3.5mm (Single port), Cable Length (ft) - 5.9 Ft, Feature - Full stereo sound for crisp, clear voice and video calls, music, games and more. An essential stereo headset for either personal use or the office,, Others - Boom can rotate 180 degree to be worn on the left or right. Flexible mic can be positioned for better voice capture and background noise reduction. Boom can be tucked out of the way when you`re not using it. Convenient in-line controls on the headset cord let you adjust the volume or mute calls without disruption, Simply plug the 3.5mm audio jack into your computer, smartphone or tablet and you`re ready to talk., Warranty - 1 year