[ Alarm installations and alarms; ] Cabinets for loudspeakers; Camcorders; Chargers for batteries; Chargers for electric batteries; [ Computer hardware and software, for use with medical patient monitoring equipment, for receiving, processing, transmitting and displaying data; Computer peripheral devices; Computer hardware; Computer monitors; Computer networking hardware; Data processing apparatus; Data processing equipment, namely, couplers; ] Ear buds; Educational apparatus, namely, manipulative blocks used as teaching aids for the visualization of math concepts; Headphones; Indicator lights; Loudspeakers; Rechargeable batteries; Renewable battery system to provide backup power; Set-top boxes; Smartglasses; Smartwatches; Spectacles; [ Traffic-light apparatus; ] Transparency projection apparatus; Video cameras; Wireless cellular phone headsets; Wireless headsets for smartphones; Wires, electric; Battery chargers; Cases for smartphones; Cell phones; Covers for smartphones; [ Fire alarm