Logitech H151 Stereo Headset with Noise-Cancelling Mic

ADJUSTABLE HEADBAND: The sturdy yet lightweight stereo headset has a broad range of adjustments. Ultra-soft foam ear cushions provide hours of comfort

ROTATING MICROPHONE: The boom mic can rotate 180? to be worn on the left or right and tucked out of the way when you’re not using it. The flexible mic can be positioned to capture your voice better and reduce background noise

NOISE CANCELLING MICROPHONE ON EITHER SIDE: Wear it on your left or right side and rotate it out of the way when you are not using it. Plus, it cuts background noise – which means crystal clear calls with, family, friends, and work. Sensitivity (headphone): 122 dB /-3 dB. Sensitivity (microphone): -44 dBV/Pa /- 2.5 dB