Sennheiser PC 21 II

The Sennheiser PC 21 is a one-sided headset that delivers superb sound that is ahead of others in its class. Quality listening is guaranteed with a frequency range of 40 Hz to 18 kHz and a sensitivity of 109 dB. An adjustable microphone with a frequency range of 80 Hz - 15 kHz and a sensitivity of -39 dB is mounted on the headphones. It is the perfect device for internet telephone calls and for all VoIP applications. With a stylish design and comfortable wear it is an ideal choice for business or private purposes.