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北恩 NH70 呼叫中心耳麥
Description：NH70, high-end call center headset specially designed for human voice transmission

Tuned to provide superior sound quality
Noise cancelling microphone shielding 90% of background noise
Comfortable protein ear cushion for long time wearing
Over 20 endurance tests and 10 dynamic and static mechanical tests to ensure product reliability
Cable resisting over 10kgs dynamic and static tension to stand rough usages
Stylish design, specialized surface finishing method and abrasion resistant surface
Acoustic Shock Protection to monitor the maximum speaker volume under 98dB, effectively protecting the ear from instant pitch sound shock
RoHS qualified
RJ11, 3.5mm stereo and USB plug cable optional