Acoustic conduits; Apparatus and instruments for weighing; Cases for smartphones; Computer hardware; Computer hardware and peripherals; Computers; Ear plugs for divers; Earphones and headphones; Electric wires and cables; Electrical plugs and sockets; Microphones; Pedometers; Protective cases for smartphones; Protective films adapted for smartphones; Smartglasses; Smartphones; Sound and video recording and playback machines; Waterproof cases for smart phones; Wearable activity trackers