The product is a vintage Sankyo STD-2000 stereo cassette deck. It is specified that the cassette deck is capable of playing, however, it is missing the record function. Sankyo is a well-known brand in the vintage electronics industry, particularly in cassette decks. The STD-2000 model is a classic piece of audio equipment that has likely been well-received by audiophiles and collectors of vintage audio gear.
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