Bags and cases specially adapted for holding or carrying portable telephones and telephone equipment and accessories; [ 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 cases; smartphone cases; tablet cases; ] portable audio speakers; devices for hands-free use of mobile telephones; smartphone mounts; PC tablet mounts; adjustable smartphone and PC tablet stabilizers and mounts; [ wireless adapters for computers, mobile devices, smartphones and PC tablets; ] power supply connectors and adaptors for use with portable electronic devices; mobile device accessory in the nature of a leash designed to securely tether mobile devices to the user, featuring an elastic coil where one end connects to the mobile device and the other to the user; peripheral devices for mobile computers, smartphones, and portable computers