Batteries and battery chargers; Battery cases; Battery charge devices; Earphones; Electrical adapters; Electrical plugs and sockets; Headphones; Headsets for virtual reality games; Loudspeakers; Microphones; Plug adaptors; Power supplies; Projection screens; Protective films adapted for smartphones; Smart rings; Smart watches; Virtual reality glasses; Webcams; Wireless headsets for smartphones; IP (Internet protocol) cameras