Connection: USB Cable : 2.5m Drive free: Plug and play Microphone: Noise cancelling microphone Controls: adjustable headphone and microphone volume Design: Lightweight and comfortable 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) Standards: 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
