主机背部具有耳机收纳功能，可以将耳机线缠绕在内部，同时也是一款专为女性设计的机型。带有白色的收纳袋以及柔和配色的外观(红，粉，灰，白，绿5色)。系列名为「美臀 Walkman」,主机可兼容使用5号电池或者口香糖型电池。
新品发行价：1万9000日元/机身尺寸91.5×108×31.5毫米/重量：220克/电源：口香糖电池或5号电池×1节/续航时间：25小时(使用口香糖充电电池)口香糖电池或5号电池 1节 续航时间：2小时(使用口香糖充电电池)
1987 SONY wm-51 headphone cable winding storage model
The back of the host is equipped with headphone storage function, which can wrap the headphone cable inside. It is also a model designed for women. White storage bag with soft color scheme (red, pink, grey, white, green 5). The Walkman is compatible with either a no. 5 battery or a chewing-gum battery.
New product launch price: 19,000 yen/body size: 91.5×108×31.5 mm/weight: 220 g/power supply: gum battery or no.5 battery ×1 / battery life: 25 hours (using a gum rechargeable battery) gum battery or no.5 battery 1 battery life: 2 hours (using a gum rechargeable battery)
