Earphones; Smartphones; Smartwatches; Sunglasses; Transponders; Alarm sensors; Audio-video receivers; Batteries, electric; Computer memory devices; Data cables; Humanoid robots with artificial intelligence; Personal security alarms; Portable electronic recorder for measuring and recording multiple voltage, current and thermocouple readings from various transducers; Portable media players; Protective films adapted for smartphones; Signs, luminous; Slide or photograph projection apparatus; Weig...