Adjustable smartphone and PC tablet stabilizers and mounts; Batteries and battery chargers; Carrying cases, holders, protective cases and stands featuring power supply connectors, adaptors, speakers and battery charging devices, specially adapted for use with handheld digital electronic devices, namely, cell phones, MP3 players, personal digital assistants; Cases for music, audio and related electronic equipment, namely, cases for audio tuners, audio receivers, amplifiers, tape players, compact disc players, MP3 controllers/players, audio mixers, audio speakers in the nature of music studio monitors, microphones, audio speakers, compact discs, audio tapes, portable computers, antennas, phonographic record players, audio recording equipment, and the cables associated with all of the foregoing equipment; Cell phone battery chargers for use in vehicles; Converters for electric plugs; Covers for smartphones; Ear phones; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Electrical voice intracommunications systems comprising control stations, interface modules, frames, controller cards, connectors, power supplies, panels and mountings for use in the production of live musical performances, theatre, and other live events; Hands-free kits for phones; Hands free devices for mobile-phones; Portable photography equipment, namely, reflectors, tripods, light stands and supports and bags specially adapted for these goods; Sports helmets; Stands adapted for tablet computers; Tripods; Wireless chargers; In-car telephone handset cradles