Covers for smartphones; covers for tablet computers; light emitting diode (LED) displays; virtual reality headsets; blank USB flash drives; blank flash memory cards; network routers; digital door locks; digital signage display panels; semiconductors; [ battery chargers; ] * battery chargers for tablet computers; battery chargers for portable computers; battery chargers for use with mobile telecommunication devices; * video projectors; set-top boxes; solid state drives; smartphones; protective covers for smartphones; smart watches; audio speakers; wearable computers in the nature of smartwatches and smartglasses; ear buds; electric sensors; computer stylus; wearable activity trackers; rechargeable electric batteries; cameras; computers; computer monitors; tablet computers; televisions; headphones; portable computers; mobile telephones; smart remote controller being smart remote controls for televisions and stereos