RJ9 Connection System requirements: Windows 2000, Windows XP, Windows Vista TM, Windows 7, Windows 8 and Windows 10 Compatible with Microsoft software such as Skype, Zoom, Microsoft Teams and other video conferencing software Adjustable headphone and microphone volume Noise cancelling Microphone Microphone sensitivity: 40±3dB(0dB=1V/Pa,at1KHz) Headphone Impedance: 150 ohms Headphone frequency range: 100-6600HZ Headphone sensitivity: 100±3dB Environmental noise: ≤ 60dB(A) Lightweight and comfortable to wear Meets the international standards for hearing protection (Less than 118db)
