Product
TPS-L2
索尼1979年推出的首款Walkman磁带播放器，将磁带播放与耳机结合，开创了便携音乐播放器品类
Timeline (last 90 days)
Oct 15
The Walkman brand was born in 1979; its first product, the TPS-L2, combined a cassette player and headphones into one, with cumulative global sales exceeding 400 million units.
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