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PC, smartphone and tablet headset: Easy to connect and switch between devices Rich digital stereo sound: Laser-tuned speaker drivers, built-in equalizer and noise-cancelling mic for crystal clear calls and music*. Sensitivity (microphone)- -47dBV/Pa +/- 3dB. Sensitivity (headphone)- 97dB +/-3dB 40 ft. wireless range: Listen and chat up to 12 m from your PC-or pair with your smartphone or tablet using Bluetooth. Input impedance: 32 Ohms
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Usb Mono Headset with unidirectional noise canceling mic: The noise canceling microphone is designed for reliable testing, speech, and other vocal use, in less than ideal environments. In line volume and mute control: conveniently located inline volume and mute control makes it easy to adjust what your are listening to on the fly. Usb plug-n-play: designed to work with standard USB ports, perfect for newer and older computers and laptops.