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The first transistor radio.
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The second version of the transistor radio.
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Sony's first transistor radio made in Japan.
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Ford Motor Co. introduced factory installed and dealer installed 8-track tape players in their vehicles to make music portable in the car. "Car audio"
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A round novelty radio on a chain, produced by Panasonic.
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The first portable stereo audio cassette player.
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A portable transistorized cassette tape recorder/player and AM/FM radio (CD's in the 1980's) with an amplifier, two or more loud speakers, and a carrying handle.
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Cassette and/or AM/FM radio player. It was a smaller portable device that used headphones to listen to the audio.
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Portable CD player, produced by Sony.
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LCD digital wrist watch with a built in FM radio.
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Sony produced a magneto-optical disc-based data storage. It would allow up to 74-80 minutes of digitized audio or 1 gigabyte of Hi-MD data.
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Produced by a South Korean Co. SaeHan Information Systems. The first mass-produced portable solid state digital audio player.
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Portable digital audio devices that over the years can hold various amounts of audio and/or video. (ie. iPods)
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After the creation of more advanced digital audio devices, cell phone providers eventually made it so cell phones had the capability and storage to hold different types of audio.