Improve your communication experience with the Port Comfort Office USB Stereo Headset with Microphone. This feature-rich headset is designed to enhance your audio and communication experience while also providing maximum comfort. Immerse yourself in superb sound clarity that ensures crystal-clear discussions, thanks to its 40mm speaker diameter, 32 Ohms impedance, and outstanding sensitivity of 115dB. The dynamic range of 90dB-120dB ensures a balanced audio experience, while the distortion THD of 5% ensures audio clarity throughout.