Covers for smartphones; Data processing equipment, namely, couplers; Earphones and headphones; Electric connections; Electric contacts; Electrical plugs and sockets; Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; Protective films adapted for smartphones; Rechargeable electric batteries; Smartglasses; USB cables; Blank USB flash drives; Electric cables, wires, conductors and connection fittings therefor