Electronic devices, namely, providing electro-mechanical components and sub-assemblies consisting of piezo ceramic audio alarms (which are miniature speaker); speakers; headsets; electret microphones; switches (types such as push button and sub-miniature, toggle, micro and toggle); connectors and receptacles (types such as D-sub, half pitch ribbon, half pitch pin and socket, USB, firewire, centronic, pin headers, headers, and miniature din); jacks and plugs (types such as dc power, RCA and modular)
Electrical and Scientific Apparatus