Calculators; Chronographs for use as specialized time recording apparatuses; Computer keyboards; Computer mouse; [ Computer peripheral apparatus; Data processing equipment, namely, couplers; Electronic agendas; Electronic pens; ] Hourglasses; [ Interfaces for computers; Keyboard covers; Mouse mats; Mouse pads; USB cables; Wrist rests for use with computers; Cases for pocket calculators; ] Clear protective covers specially adapted for personal electronic devices, namely, mouse, keyboard