Specification Technical Specification Frequency Range 20Hz to 20kHz Impedance 21±15%Ω Sensitivity 112dB±3dB Driver Diameter Φ50mm Connectivity Wired Others Operating Current: ≤196mA Plug: 7.1 usb plug Physical Specification Dimensions 115x190x230mm Weight 320g Color White+Grey Cable Length 2.1m Microphone Microphone Size Ø4.0×1.5mm Sensitivity -38±3dB