Batteries, electric; [ Cell phones; Computer memory devices; Data processing apparatus; Electric door bells; Headphones; Memory cards; Protective helmets; Rechargeable batteries; Smartglasses; Smartwatch bands; Smartwatches; Smoke detectors; Alarm monitoring systems; Blank USB flash drives; Cabinets for loudspeakers; Cases for smartphones; ] Fitted plastic films known as skins for covering and providing a scratch proof barrier or protection for electronic devices, namely, MP3 players, mobile ...