Connections: 3.5mm, USB and Type C Drive free: Plug and play Compact and light weight design with HD stereo sound 270-degree rotating Microphone suitable for left or right-handed use Adjustable, soft and breathable PU leather and memory foam earpads Adjustable and comfortable padded headband Built in HD noise reduction microphone Nominal Impedance (AC): 26Ω±15% Rated working power: 180mW Effective frequency range: 20-20KHz Microphone sensitivity: -38±3dB Headset sensitivity: 117±3dB Sound distortion: ≤3% Cable length: 2.4M Weight: 145g Functions (with indicator lights): Headphone mute, microphone mute, volume up and volume down Operating systems compatibility: Windows/MAC/Linux Software compatibility: Skype, Zoom, Microsoft Teams and other video conferencing software