Characteristic:
Guided Acoustic Tube Technology, Excellent Sound Quality
Introduction:
* SH820-The RealVoice Tube Headset.
* The World Leading patent pending Sound Management Techniques, SoMaTec.
* Using advance digital amplifier technology come with excellent sound quality gives you the feeling of having a “ face to face” conversation.
* High quality ear pad design takes personal comfort to a new level. 　
* Come with Quick Connector (QD), not only it protect the phone set and the card interface, it also effectively prolong the lifespan of the headset.