Burglar alarms; Camcorders; Cases for smartphones; Cell phone straps; Computer peripheral devices; Headphones; Microphones; Protective films adapted for computer screens; Protective films adapted for smartphones; Rechargeable batteries; Self-timers; Smartglasses; Wearable activity trackers; Webcams; Electric navigational instruments; Electrical and electronic burglar alarms; GPS tracking devices; Loud speakers; Portable vibration speakers; Wireless controllers to monitor and control the funct...