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My Company Developed PeaceEar—— Full Bone Conduction Headph…2013-08-23

My Company Developed PeaceEar—— Full Bone Conduction Headph…

My Company Developed PeaceEar—— Full Bone Conduction Headphones , has got patents in China, the EU and the U.S.

2013-08-23

QDC Develops SmartEar——Intelligent Hearing Protection Tacti…2013-08-23

QDC Develops SmartEar——Intelligent Hearing Protection Tacti…

QDC Develops SmartEar——Intelligent Hearing Protection Tactical Headset

2013-08-23

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