Logitech H570E Professional Business USB Headset (981-000574)

What’s in the box- 1 x Logitech H570E Professional Business USB Headset (981-000574)- 1 x Free Exclusive Mystery Gift - 1 x Logitech H570E Professional Business USB Headset (981-000574)- 1 x Free Exclusive Mystery Gift Model: H570E USB Computer Headset The perfect business headset for voice calls, Skype, webinars and more. Enjoy enhanced digital audio for your favorite music and games and crisp clear calls Left-sided mic can be conveniently positioned for better voice capture The headset features a US Type: Directional ECM Frequency response: 100 Hz - 18 kHz Sensitivity: -47 dB +/- 3 dB Distortion: <2% @ 1 kHz, 94 dB SPL Operating voltage: 1.4 - 5.0 V DC Frequency response: 31.5 Hz - 20 kHz (Diffuse field) Sensitivity: 94 dB ±3 dB at 1 KHz, 0.01 m, 0.01 W Distortion: < 5% @ 1 kHz, 10 mW, 1 kHz Compliant to EN60950-1 B-A connector that plugs right into your computer Simple in-line controls on the headset cord let you adjust the volume or mute calls without disruption. 2 Years Logitech Local Manufacturer Warranty