Computers; computer hardware and software; wireless communication devices for providing access to the Internet and sending, receiving, and transmitting data, images, audio, video, and multimedia content; wearable wireless transceiver computer hardware operable as a repeater and content generator; wearable computers; digital media streaming devices; computer hardware for transmitting and enabling the viewing of audio, video, television, movies, digital images and other multimedia content and enabling the sensing of same through a user's head and upper body; virtual and augmented reality headsets, goggles, controllers, and remotes; wearable haptic or vibrational devices and peripherals for playing video games; controllers for use with interactive digital multimedia content; parts and accessories for computers, computer peripherals, and headsets; battery chargers for computers, computer peripherals, and headsets; portable power chargers and adapters for audio and visual players; and charging apparatus for headsets.