Air analysis apparatus; Cabinets for loudspeakers; Chargers for batteries; Computer peripheral devices; Contacts, electric; Data cables; Data processing apparatus; Ear phones; Heads-up displays (HUDs) in the nature of transparent electronic displays for use in general aviation aircraft, projection of data from a mobile device onto a vehicle windshield, providing motorcycle riders with navigational and operational information; Inverters; Loudspeakers; Monopods for handheld digital electronic d...