[ Calculators; Earphones; Headphones; Monopods for handheld digital electronic devices, namely, cell phones, MP3 players, personal digital assistants; Portable media players; Protective cases for smartphones; Protective covers for smartphones; Protective films adapted for smartphones; Rechargeable batteries; Smart watches; Wearable activity trackers; Wireless chargers; Blank flash memory cards; Cabinets for loudspeakers; Coaxial cables; Converters for electric plugs; Electric batteries; Elect...