Audio- and video-receivers; Computer peripheral devices; Data processing apparatus; Earphones; Eyeglasses; Headphones; Loudspeakers; Smartglasses; Sound transmitting apparatus; Virtual reality glasses; Virtual reality headsets; Wearable computer peripherals in the nature of wireless mice; Wearable computers in the nature of smartglasses; Countdown timers and alarms to remind a person to take or give medication and/or to remind a person of daily routines, incorporated into a wristband; Electro...