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; Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electrical audio and speaker cables and connectors, audio decoders, video decoders, speakers, power conversion devices, power converters, and power inverters; Educational apparatus, namely, blocks used as teaching aids for modeling chemical compounds, visualization of math concepts; Electronic components in the nature of capacitors, connectors, filters, oscillators, relays, switches, transformers, resistors, semiconductors, integrated circuits, rectifiers, transistors; Protective cases for audio equipment in the nature of speakers, headphones, audio mixers; Protective sports helmet accessories that attach to the helmets, namely, mouth guards, ear pads, throat protectors, chin straps, face masks, jaw pads and eye shields; Radio transmitters and receivers for remote controls, radio controls; Remote controlled thermal imaging systems, not for medical use; Remote controls for radios, televisions, stereos; Smart watches