Chargers for smartphones; Data cables; Devices for wireless radio transmission; Electrical and optical cables; Ethernet repeaters; Ethernet switches; Ethernet transceivers; Fiber optic connectors; Fibre-optic cables; Optical cables; Protective covers for smartphones; Protective films adapted for smartphones; Telecommunication cables; Telecommunication exchangers; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division mul...