把滑动伸缩结构的WM-20升级为了WM-30, 但是性能基本上没有改变，只是在WM-20基础上进行了细小的改变，主机有6种颜色可以选择，耳机采用NUDE- TURBO耳塞式耳机，此后这类耳机成为了主流配置。

新品发行价：24000日元/机身尺寸：86×111.4×22.4毫米/重量：190克/电源：5号电池 1节/续航时间：5小时(使用碱性电池)

The 1984 SONY wm-30 wm-20 evolved from the telescopic Walkman

The wm-20 with the sliding and telescopic structure was upgraded to wm-30, but the performance was basically unchanged, only minor changes were made on the basis of wm-20. The host was available in 6 colors, and nude-turbo earplug headphones were used for the headphones, which became the mainstream configuration.

New product launch price: 24000 yen/body size: 86×111.4×22.4 mm/weight: 190g/power supply: no. 5 battery 1 / battery life: 5 hours (alkaline battery)

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