Battery chargers; battery charge devices; wireless chargers; wireless battery chargers; charging appliances, namely, charging cases for earphones, headphones, earbuds, and headsets; wireless charging cases for mobile digital electronic devices, wearable electronic devices, earphones, headphones, earbuds, and headsets; carrying cases featuring power supply connectors and battery charging devices specially adapted for use with handheld digital electronic devices, namely, mobile digital electronic devices, wearable electronic devices, earphones, headphones, earbuds, headsets; carrying cases specially adapted for mobile digital electronic devices, wearable electronic devices, earphones, headphones, earbuds, headsets; cases for earphones, headphones, earbuds and headsets.