1. Earbone beadset with medicinal grade silica gel and strong PU cable with Kevlar. Comfortably wearing for long tome
2. Top Noise-cancelling, can work under varying environmental conditions
3. Can work in half-open or closed helmet, face cover or mask
4. The large surface button makes it easy to use. Keying is possible even with gloves, under clothing or using the elbow, even by only pressing the edge. Also can remove upper clips and not be press accidental
5. Militery standard quick release Nexus plug-in connection that releases quickly when a load is applied in an emergency.
6. PTT has an additional connecting plug; in some applications it is practical to have another PTT-that can be activated without having to move the band to the large PTT.
7. Can perfectly work for those fireman, chemical defense person, SWAT, policeman and operations force.
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China [CN] 
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