In-ear earphones / airline earphones / Aviation earphones
Detailed Product Description 1.Auto/ manual 10A/250V 2.Bakelite body or ceramic body 3.Vertical or horizontal terminal
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library system ,EAS system ,EM security system
Library self-service system ,library workstation , Library check in and check out system
Library EM system ,EM Antenna ,EM Anti-theft system ,EM Circulation system
Library anti-theft system ,EM security system ,EM Antenna ,EM Gate, Electromagnetic technology .
EM label ,EM tag ,EM Tape for library ,bookstore ,supermarket
