cell phones; holders adapted for mobile telephones; Television apparatus; video projectors; Computer peripheral devices; Notebook computers; Tablet computers; data communication computer software; stands adapted for laptops; Batteries, electric; battery charges; data cables; Cabinets for loud speakers; Earphones; Cameras[photography]; Data processing apparatus; smartwatches; Network routers; web cameras; Smartphones; mobile telephones; mobile power supply [rechargeable batteries]; Measuring devices, electric; Materials for electricity mains[wires, cables]; electric sockets; electrical adapters; cell switches [electricity]; Inverters[electricity]; Integrated circuit modules; Ultracapacitors for energy storage; Switches, electric; Wire connectors[electricity]; Semi-conductors; Junction boxes[electricity]; Silicon epitaxial wafer; Distribution