Batteries and battery chargers; Cases for smartphones; Countdown timers and alarms to remind a person to take or give medication and/or to remind a person of daily routines, incorporated into a wristband; Digital door locks; Digital signage display panels; Digital video cameras; Earphones and headphones; Kilometer recorders for vehicles; LED lighting controls for energy management, computer environment illumination, and outdoor lighting fixtures; Mobile phone cases featuring rechargeable batt...