Microphones; Webcams; Barcode scanners; Batteries, electric; Computer mice; Computer monitors; Covers for smartphones; Dust protective goggles and masks; Ear phones; Electric navigational instruments; Electrical outlets; Infrared thermometers, not for medical purposes; Magnifying glasses; Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; Radio sets; Smart rings; Wireless speakers; Head-clip cell phone holders