Bose QuietComfort Ultra Earbuds 2nd Gen ─ Immersive with AI-Enhanced Noise Cancellation and Spatial Audio

Hello, this is Ryo!
Bose's fully wireless earbuds “QuietComfort Ultra Earbuds (2nd Gen)” have been announced.
This is the latest model in a popular series also searched for by its Japanese name "QuietComfort" or abbreviations like QC Ultra Earbuds 2.
Scheduled for release in Japan on August 7, 2025, priced at 39,600 yen (tax included).
In this article, based on official information, I will compactly summarize everything from the release date and price to the main functional enhancements📝✨

Release Date & Price

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\textbf{Release Date} & \textbf{Price} \\
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2025-08-07 (Thu) & 39,600 JPY (tax incl.) \\
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• Accepting pre-orders

• Color variations: Black / White Smoke / Limited Deep Plum (3 colors total)

Main Specs Quick Reference

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\textbf{Item} & \textbf{Value/Content} & \textbf{Note} \\
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Continuous playback & 6 hours & With ANC on \\
Total playback & Approx. 24 hours & 3 case charges \\
Fast charging & 20 min ➜ 2 hours & USB-C \\
Charging method & Qi wireless supported & Cable-free possible \\
Bluetooth & 5.3 & Multipoint supported \\
Supported codecs & SBC/AAC/aptX Adaptive & High sound quality/low latency \\
Weight & 7.7 g (each side) & Good for sports use \\
Water resistance & IPX4 & Resistant to sweat/light rain \\
Number of mics & 8 & AI noise suppression \\
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Evolved Noise Cancellation and AI Call Processing

• CustomTune™ measures your ear shape in real-time and automatically optimizes sound insulation characteristics

• ActiveSense™ algorithm refresh allows for high-speed tracking of sudden changes in environmental noise

• 8 mics + AI noise suppression ensures clear voices even during video conferences

• Bose Immersive Audio support increases the immersion of spatial audio🎧

Up to 6 Hours Playback & Wireless Charging Case

• Up to 6 hours of playback with earbuds alone

• Total of approx. 24 hours of playback when using the case (equivalent to 3 full charges)

• 20-minute quick charge provides about 2 hours of playback, saving you from "forgot to charge" moments before heading out

• The case supports Qi wireless charging. Cable-free even on your desk✨

Supports Bluetooth 5.3 multipoint

• Bluetooth 5.3 and multipoint allow simultaneous connection to PC and smartphone

• Codec: SBC/AAC/aptX Adaptive officially supported

• Google Fast Pair makes initial pairing with Android devices instantaneous

• IPX4 water resistance and a 7.7 g lightweight design for comfort while running

• Included accessories: Stability bands (3 sizes), ear tips (3 sizes), USB-C cable

Summary of Key Points

Improvements

• Noise cancellation performance further evolved: CustomTune™ + new ActiveSense™

• AI call processing improves hands-free call quality

• Qi wireless charging case: Also supports quick charging

• Bluetooth 5.3 multipoint: Smooth device switching

• Available in a total of 3 colors, including the limited edition Deep Plum

• #RyoGadgetNews