Connection: USB Material: ABS Microphone: Φ6.0*5.0mm Sensitivity: 105±3dB Speaker size: 40mm Impedance: 32Ω Frequency response: 20-20KHz Cable length: 2m±5% Microphone sensitivity: -42±3dB Operating systems compatibility: Windows/MAC/Linux Software compatibility: Skype, Zoom, Microsoft Teams and other video conferencing software