Personal electronic device accessories, namely, carrying cases, protective cases, holders, cables, battery charging devices, and blank digital and electronic storage media and memories, all specially adapted for use with handheld digital electronic devices in the nature of mobile phones, smart phones, handheld computers, tablets, radios, range finders, radio frequency identification readers, near field communication (NFC) technology-enabled readers, and electro-optical instruments for use in sighting and identifying targets related to sport shooting, hunting, and military applications