Yeatek 3320 Mono NC headset  with comfortable noise-canceling microphone, applicable 

intensive call centers environment. Retractable earbuds card can be freely adjusted, better 
for you to wear, allowing you to free up your hands, feel free to communicate, make your 
calls more easily and efficiently. Noise-canceling microphone filters out background sound 
and clear voice transmission. Make you look more professional, and makes it easier to be 
clearly understood. The model can be rotated 360 degrees.When you rest, flip tone arm 
outward. 
     Yeatek 3320 Mono NC headphset optional interface has a standard RJ interface for 
traditional telephone, but also in the VOIP phone use, you can also connect to the USB on 
the use. 
>> Monaural design, exquisite lightweight; QD (quick disconnect / connect) 
>> High-quality appearance and texture, extremely comfortable to wear, ultra-light 
weight professional traffic headset; 
>> Noise-canceling microphone filters background noise environment, to protect 
call quality; 
>> Perfect sound, R ed, providing international standard hearing protection, 
always take care of your health; 
>> Allows you to free up your hands, feel free to communicate, make your calls 
more easily and efficiently; 
>> Earbuds card can be freely telescopic adjustment, better for you to wear, give 
you more comfortable call enjoyment; 
>> Tone arm can be rotated through 360 °, adjusted in accordance with the comfort 
and call clarity. During the rest, you can flip the tone arm outward; 
>> Between the handset and the tone arm 180 °range can be adjusted between the 
tone arm and headlines adjustment range of 60mm; 
>> earmuffs; 

Product Parameters 

Microphone arm can rotate 360 ​​degrees 
Material: Metal, ABS and POM materials 
Speaker 
Speaker Size: Φ27mm 
Sensitivity: 108 ± 3dB/mw (1KHz) 
Impedance: 150Ω ± 15% 
Frequency response :20-6.8KHz 
Distortion: less than 1% 
Microphones 
Frequency response :20-3KHz 
Impedance: 2.2KΩ 
Sensitivity:-39dB ± 3dB 
SNR: ≥ 55 decibel 
Distortion: less than 1% 
MIC Noise