Memory stick - a small piece of equipment that you connect to a computer to copy and store information, Speakers - the part of a radio, television, or computer, or of a piece of electrical equipment for playing recorded sound, Headphones/earphones - an electrical device worn on the ear to receive radio or telephone communications or to listen to a radio, MP3 player, etc., Switch - small device, usually pushed up or down with your finger, that controls and turns on or off electricity, Socket - an electrical device receiving a plug, Plug - a small plastic or rubber object with two or three metal pins, attached to the end of a wire on a piece of electrical equipment and pushed into a socket in a wall to connect the equipment to a supply of electricity, Remote control - a piece of equipment that you hold in your hand and use to control a television, DVD player, etc.:, Keyboard  - a panel of keys that operate a computer or typewriter,

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