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Bose Ultra Open Earbuds LE 空間オーディオ イヤホン オープンイヤー 完全 ワイヤレス Bluetooth接続 マイク付 最大7.5時間再生 防滴 ディーププラム
￥28,800

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Bose Ultra Open Earbuds: Spatial Audio & Comfort Guide

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

4.1(1,220)

JPSaver Score

Rating
4.1
Popularity
3.9

Open-ear earbuds that blend spatial audio with environmental awareness. Battery life is significantly reduced when using immersive audio [S1].

👍 Great for

Ideal for those who want to enjoy audio while remaining aware of their surroundings or who prioritize long-term wearing comfort.

🤔 Not for you if

Not suitable for those seeking complete silence or strong active noise cancellation.

✓ Pros

  • • Open-ear design maintains connection with the environment [S1]
  • • Realistic spatial sound via immersive audio [S1]
  • • Comfortable fit due to flexible, ultra-lightweight joints [S1]
  • • Bluetooth multipoint for seamless device switching [S1]
  • • IPX4 water-resistant for use in rain or sweat [S1]

✗ Cons

  • • Battery life decreases to 4.5 hours when immersive audio is active [S1]

Review

The Bose Ultra Open Earbuds feature an open-ear design that allows users to stay connected to their surroundings while enjoying high-quality audio via OpenAudio technology [S1]. A key highlight is the immersive audio capability, which provides a spatial sound experience designed to feel more realistic [S1]. In terms of build, the earbuds use a flexible, ultra-lightweight joint design for a secure and comfortable fit, complemented by an IPX4 water-resistance rating for protection against splashes, sweat, and rain [S1]. Battery life lasts up to 7.5 hours under standard conditions, though this drops to 4.5 hours when immersive audio is enabled [S1]. The inclusion of Bluetooth multipoint allows for seamless switching between devices such as smartphones and laptops [S1]. Additionally, Bose SimpleSync enables pairing with compatible Bose smart soundbars and speakers [S1].
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FAQ

Q. How long does the battery last? ▾

Up to 7.5 hours of continuous playback, but this is reduced to 4.5 hours when immersive audio is enabled [S1].

Q. Can they be used in the rain? ▾

Yes, they are IPX4 water-resistant, making them suitable for light splashes, sweat, and rain [S1].

Q. Do they support multiple device connections? ▾

Yes, Bluetooth multipoint allows for seamless switching between devices like smartphones and laptops [S1].

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.

￥28,800 View on Amazon →