Frequency Range 20HZ-20KHZ Audio & Microphone Speaker Diameter 50 mm Sensitivity 95±3dB Speaker Sensitivity: 114±3dB Impedance ≤2200Ω Channel 3dB Microphone Sensitivity -42±3dB Battery And Power Input Power 20mW Ports USB 3.5mm USB Others Other Features Maximum input power: 30mW Physical Specification Color Black Cable Length 2.1M±10%m Weight 347g±5g Technical Info Frequency Response 100Hz-10KHz Warranty Information Warranty 1 Year
