Yeatek Headsets 3320 DUO is the standard RJ-modular version for traditional telephones, and also available in wideband versions for IP hard phones and soft phones. 



 >>  Over-the-head Monaural versions.



 >>  Crystal-clear voice design meet the most strict reliability standards.



 >>  Mic arm 360-degree-plus rotation to best fit different head shapes and wearing preferences.



 >>  Hi-fi audio quality with Neodymium speakers for business and contact center professional.



>>  Flexible ear bud allows in the range of 180 degrees.



>>  Replaceable soft foam or soft leatherette ear pad optional.



>>  Acoustic shock protection circuit.



>>  Quick-disconnect function.



>>  The headsets are available with different microphones and noise-cancelling systems to match any work environment.



Specifications       



       Material: Metal, ABS and POM



Speaker



       Speaker size: Φ27mm speaker



       Sensitivity: 108dB ± 3dB/mw(at 1KHz)



       Impedance 150 ohm +/-20%



       Frequency Response 200-3KHz



       Distortion: Less than 1% 



Microphone



       Omni directional Microphone



       Sensitivity:-36dB ± 2dB



       Impedance: 2.2k ohm



       Frequency response: 20-3kHz



       Distortion: Less than 1%



       SNR: ≥ 55dB



       ASP (Acoustic shock Protection)



       Directivity: Noise-cancelling