最早带有防水功能的 Walkman,这款运动型的随身听也采用了 on the BE主动轮直驱的DD伺服系统，这是基于在运动过程中也能稳定收 听的想法设计出来的，具有FM收音功能，附带了「NUDE」 MDR-E255耳机，并且也具备防水功能。照片左侧的红色机型 为夏威夷限量版，在日本国内也是限量发售。
新品发行价：3万3000日元/机身尺寸：91.8×10×35.3毫米/重量：370克/ 电源：5号电池×2节/续航时间：9小时(使用碱性电池)
1983 SONY wm-f5 can be brought to the seaside and snow mountain Walkman
The first waterproof Walkman, this sporty Walkman also USES DD servo system with active wheel drive on the BE, which is based on the idea of stable listening during exercise. It has the function of FM radio, with the “NUDE” mdr-e255 headset, and it is also waterproof. The red model on the left is limited edition in Hawaii and also available in Japan.
New product launch price: 33,000 yen/body size: 91.8×10×35.3 mm/weight: 370g/power: no. 5 battery ×2 / battery life: 9 hours (using alkaline battery)
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