VT DUO HEADSET DIRECT USB03

General Information Receiving Type:Dynamic moving coil Fit And Comfort Soft Leatherette Ear Cushion Wearing Style:Adjustable headband Microphone Boom:300° adjustable Joint of speaker and headband:180°rotatable Audio Frequency Frequency:20-20KHz. Speaker Impedance(Mono/DUO):150Ω±15%/75Ω±15% Speaker Sensitivity@ 1kHz( Mono/DUO):98±3dB/95±3dB Microphone Microphone Type:ECM Microphone Directivity:Cardioid Microphone Sensitivity@ 1kHz:-41±3 dB Compatibility Connected with different QD cables to work with IP phone, Mobile phone and PC Connectivity PLT-QD or GN-QD for option Weight Weight(Mono/DUO):68g/89g Extended Information Storage Temperature:-40℃~70℃ Warranty:Two years