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ソニー(SONY) ワイヤレスイヤホン WI-C100:Bluetooth対応/25時間スタミナ/IPX4防滴/DSEE搭載 ブラック WI-C100 BZ 小
￥3,648

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Sony WI-C100 Buying Guide: Is 25h Battery Life Enough?

This AI-assisted buying guide summarizes public product information. We have not used or performance-tested this product.

4.0(4,376)

JPSaver Score

Rating
4.0
Popularity
4.6

A practical neckband earphone featuring 25-hour battery life, IPX4 splash resistance, and DSEE for enhanced sound quality.

👍 Great for

Ideal for users who prioritize long battery life and want a reliable, affordable earphone for sports or outdoor activities.

🤔 Not for you if

Those seeking active noise cancellation or a completely cable-free true wireless experience should skip this model.

✓ Pros

  • • Long battery life with up to 25 hours of playback [S1, S2]
  • • Quick charge capability (60 mins playback from 10 mins charge) [S1, S2]
  • • IPX4 splash-proof rating for sports and rain [S1, S2]
  • • DSEE technology for improving compressed audio quality [S1, S2]
  • • Sound customization via the Headphones Connect app [S1, S2]

✗ Cons

  • • No mention of active noise cancellation, making it less ideal for noisy environments
  • • Neckband design may be less preferred than true wireless earbuds

Review

The Sony WI-C100 is a neckband-style wireless earphone designed for practicality and endurance. It offers up to 25 hours of continuous playback [S1, S2] and supports quick charging, providing 60 minutes of playback from a 10-minute charge [S1, S2]. For audio quality, it features DSEE to upscale compressed audio files [S1, S2]. Users can customize their sound profiles and EQ settings via the "Headphones Connect" app [S1, S2]. The device is IPX4 splash-proof, making it suitable for workouts or use in light rain [S1, S2]. It uses Bluetooth 5.0 with a communication range of approximately 10m [S1, S2] and supports 360 Reality Audio for an immersive experience when optimized through the app [S1]. Residents in Japan can manage settings using the localized Headphones Connect app.
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FAQ

Q. How long does it take to fully charge? ▾

The full charging time is approximately 3 hours [S2].

Q. Is it water-resistant? ▾

Yes, it has an IPX4 splash-proof rating, making it suitable for light rain and workouts [S1, S2].

Q. Can I customize the sound quality? ▾

Yes, you can adjust the sound to your preference using the Headphones Connect app [S1, S2].

Sources and buying checks

This AI-assisted buying guide summarizes public product information. We have not used or performance-tested this product.

Guide updated: 2026-09-06

Before buying in Japan, check the exact model’s manual/app language, local warranty, required accessories and installation or compatibility requirements. Unlisted capabilities are not confirmed.

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This AI-assisted buying guide summarizes public product information. We have not used or performance-tested this product.

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