Behringer HLC 660U, Headphone / Microphone Combination with USB Microphone, Suitable for podcasts, games, and conferences, Over ear, Closed-back design, Plug-and-play, 53 mm Dynamic drivers, Impedance: 32 Ohm, Sensitivity: 96 dB (± 3 dB), Microphone sensitivity: -40 dB (± 3 dB) at 1 kHz (0 dB = 1 V / Pa), Microphone frequency response: 30 - 15,0000 Hz, Omnidirectional, USB Type-A plug, 2 m Cable with volume control and microphone mute switch