Amplifiers; [ Batteries and battery chargers; Batteries for vehicles; Battery jump starters; Battery chargers; Battery packs; Cameras; Electrical plugs and sockets; Handheld computers; Keyboards; Projectors particularly projectors for the entertainment industry; Tablet computers; Virtual reality glasses; Virtual reality headsets; Audio speakers; Computer mouse; ] Computer network hubs, switches and routers [ ; Heads-up displays (HUDs) in the nature of transparent electronic displays for use i...