Behringer HS20, USB Stereo Headset with Swivelling Microphone, Suitable for VoIP, conferences, home office use, e-learning, enjoying music, and online games, Closed-back design, Rotatable and flexible omnidirectional microphone, Adjustable headband, USB plug & play, 30 mm Dynamic driver, Impedance: 32 Ohm, Sensitivity: 92 dB (+/-3 dB), Frequency range: 20 - 20,000 Hz, Microphone sensitivity: -43 dB (±3 dB) @ 1 kHz (0 dB = 1 V/Pa), Microphone frequency range: 70 - 10,000 Hz, USB Type A plug, 2 m Cable with volume control and microphone mute switch, Includes pop filter and an additional pair of ear pads