Connection: 2.5MM Drive free: Plug and play Noise cancelling Microphone Microphone sensitivity: 40±3dB (0dB=1V/Pa at 1KHz) 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) Operating systems compatibility: Windows/MAC/Linux Software compatibility: Skype, Zoom, Microsoft Teams and other video conferencing software
