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Computerized wristwatches which can run mobile apps and sometimes function as portable media players, offering playback of FM radio, audio, and video files to the user via a Bluetooth headset. Some smartwatches have full mobile phone capability, and can make or answer phone calls.

Also known as a smoke alarm is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a local audible or visual alarm from the detector itself.

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Small plastic plugs which fit into plug sockets to prevent babies and children from putting their fingers or any objects into them.

Often known as a plug socket, this is the fitting in the wall into which you place plugs to connect to the mains electrcity.

Here can be a short description of this collection.

Here can be a short description of this collection.

Special loudspeaker enclosure that creates a reasonable stereo effect from a single cabinet. They are much wider than they are tall, partly for acoustical reasons, but also so that they can be mounted above or below a display device e.g. above a computer monitor or under a television or home theater screen.