Computer mouse; Computers; Computer hardware; Interfaces for computers; Data processing apparatus; Computer screens; Computer monitors; Computer keyboards; Computer disc drives; Computer memories; Protective films adapted for computer screens; Adapter plugs; Transformers; Electrical power supplies; Battery chargers; Earphones; Batteries; Mobile telephone batteries; Electric power supply units; Data transmission line, namely, data cables; Electrical power cords; Mobile phones; Covers for smart...