Battery chargers; Calculating machines; Calculators; Cases for mobile phones; Cases for pocket calculators; Covers for smartphones; Data processing apparatus; Data processing equipment, namely, couplers; Downloadable electronic dictionaries; Electronic pens; Measuring rulers; Mobile phone straps; Pedometers; Protective films adapted for smartphones; Scales; Scales with body mass analyzers; Spectacles; USB cables; Voltage testers; Wires, electric