[ Cell phone straps; Cell phones; Cellular telephones; Keyboard covers; Monopods for handheld digital electronic devices, namely, cell phones, MP3 players, personal digital assistants; Smartphones ; ] Smartwatches; [ Tablet computer; Touch screens; ] Cases for smartphones; [ Covers for smartphones; Data processing equipment, namely, couplers; Mouse mats; Protective films adapted for smartphones; Wearable activity trackers ]