Cameras; Microphones; Smartglasses; Smartwatches; Adjustable smartphone and PC tablet stabilizers and mounts; Batteries and battery chargers; Computer hardware and peripherals; Earphones and headphones; Electrical plugs and sockets; Gyroscope stabilizers for cameras; Head-mounted video displays; Solar-powered battery chargers; USB (universal serial bus) hardware; USB cables; Wearable activity trackers