Batteries and battery chargers; Cameras; Cases for mobile phones; Cell phone covers; Cellular phone usage detection system comprising a camera and a mobile phone signal receiving device; Circuit boards; Computer game software for use on mobile and cellular phones; Data cables; Display screen filters adapted for use with cell phones; Downloadable graphics for mobile phones; Earphones and headphones; High frequency mobile and sea-based communication antennas; Instrument to facilitate text-messa...