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Description
Bose QuietComfort 45 HeadphonesModel: 866724 0200 Iconic Quiet. Comfort. And Sound. You feel it the minute you put them on. The soft, plush cushions seal you in. Then you flip the switch and whoosh the world fades. And the music starts. The original noise cancelling headphones are back, with better world class quiet (plus the new Aware Mode), shockingly light materials for premium comfort, and proprietary acoustic technology for deep, clear audio. Bose QuietComfort 45 headphones
Model: 866724-0200Iconic Quiet. Comfort. And Sound.
You feel it the minute you put them on. The soft, plush cushions seal you in. Then you flip the switch and whoosh — the world fades. And the music starts. The original noise cancelling headphones are back, with better world-class quiet (plus the new Aware Mode), shockingly light materials for premium comfort, and proprietary acoustic technology for deep, clear audio. Bose QuietComfort 45 headphones — wireless headphones with the perfect balance of quiet, comfort, and sound.
For the best experience, wear quality headphones and make sure your volume is at a comfortable listening level.
Feels magical. But it’s not magic.
It all starts with our Acoustic Noise Cancelling technology, the result of more than 50 years of research. We use tiny microphones hidden in the earcups to continuously measure, compare, and react to outside noise. That noise is then cancelled with an opposite signal, resulting in fewer distractions — and more of your music. Use the button on the left earcup to choose from Quiet Mode for full noise cancelling, or Aware Mode to let in some of your surroundings.Aware Mode
More music. And awareness.
Aware Mode brings the outside world in with microphones that pick up the sounds around you and play them naturally through the headphones. It’s your music and your environment at the same time. So you can hear everything you need to, but at a much more balanced volume.High-Fidelity Audio
Your music. In high fidelity.
Music, podcasts, and videos. This is the content you love. That’s why we engineered QC45 headphones with exclusive Bose technologies, like TriPort acoustic architecture and Volume-optimized Active EQ, to produce everything in high fidelity.The proprietary TriPort design vents the earcups to add depth and fullness — all without increasing their size. So you get better sound from headphones that are smaller, lighter, and more comfortable. Plus, Volume-optimized Active EQ boosts highs and lows to maintain the same high-fidelity performance no matter how loud or soft you listen. Bass stays consistent when you turn down the volume and the music is still clear when you turn it up.Lightweight Comfort
Comfort in the details
An incredible listening experience demands a level of comfort to match. QuietComfort headphones continue to deliver serious value in this regard by focusing on all the little details. Like smooth cushions with no pleats, luxuriously plush synthetic leather, and minimal clamping force. You’ll almost forget you’re wearing them — even after hours of listening.
Impact resistant Glass-filled nylon reinforces the headband to protect against falls and maintain its shape.
Custom cast metal Each pivot point is built with a cast-metal hinge, so they’ll stay strong and durable.
Luxuriously plush Synthetic leather on the earcup cushions and top of the headband ensures all-day comfort.
Noise-Rejecting Mic SystemClearer conversations.
Indoors and out.
With the addition of a fourth external microphone, the improved voice pickup of QC45 headphones exceeds the competition. These headphones isolate and focus on your voice, while a noise-rejecting algorithm filters out environmental sounds for clearer conversations. It all happens in real time, giving you the confidence that your voice sounds crisp, even in windy, noisy conditions.
24 Hours*
Listen longer
QuietComfort 45 headphones give you more play time than their predecessor, with 24 hours* on a single charge. Enough to keep the quiet and your music going throughout even the longest red-eye flight. And they charge via USB-C in up to 2.5 hours. A quick, 15-minute charge gives you up to 3 hours of play time. Or plug in the included audio cable to listen for even longer in wired mode.* Battery testing was conducted by Bose with active noise cancelling on and in continuous audio playback at 50% volume. Battery runtime is based on a typical use and may vary based on usage.Bluetooth range: up to 30 ft (9 m)
Bluetooth version: 5.1Microphone array for voice pick-up built-in
Bluetooth version: 5.1Microphone array for voice pick-up built-in
Bose Music app
What’s in the box:
QuietComfort 45 headphones
Carry case
12" USB-C charging cable
3.5 mm to 2.5 mm audio cable
Carry case
12" USB-C charging cable
3.5 mm to 2.5 mm audio cable
Dimensions/Weight:
Headphones: 7.25" H x 6" W x 3" D (8.5 oz)
Carrying case: 8.3" H x 5.7" W x 2" D (6.64 oz)
Carrying case: 8.3" H x 5.7" W x 2" D (6.64 oz)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.4 ★★★★★
Based on 684 reviews
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Product Reviews
★★★★★ 5
Interesting and informative
Format: Hardcover
Somewhat contrarian to traditional thinking
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 3
Not a new personality type -- one of the 16 Myers Briggs types
Format: Kindle
The author claims to have identified a personality type that differs from the 16 types identified in the Myers Briggs Type Indicator (MBTI). Among those 16 MBTI types, 8 are extraverts and 8 are introverts. The author refers to those 8 introvert types as a single personality category, and then he tries to differentiate them from the type he proposes: the Otrovert. However, his description of the Otrovert is a detailed, accurate description of one of the 8 Myers Briggs introvert types: the INTJ. So he has not identified a new personality type; he has simply isolated one of the 16 MBTI types and elaborated on it. He does an excellent job of explaining the nuances of the INTJ personality, but he has not identified something new. I would have rated this book 5 stars if it had been presented as a closer look at the INTJ type. The book "Type Talk" by Kroeger and Theusen is the preeminent authority on the MBTI, written by people who qualify instructors to administer the MBTI instrument--find it on Amazon at this link:
https://www.amazon.com/Type-Talk-Personality-Types-Determine/dp/0440507049/ref=sr_1_1?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 10, 2025
★★★★★ 5
the book for me
Format: Kindle
This has been the best book I’ve read in 2026. I finally understand who I am. I can’t tell you how many times I’ve wondered what’s wrong with me. Turns out …. Nothing! I have struggled with the constant message of “you need community” and the internal desire that cringes at the thought of it. Isolation is bad but select community is perfect. No more shame for needing alone time or just wanting to stay home. I’m normal - just an outlier ! Thank you so much for the valuable insight that has given me such revelation and relief about how my mind and emotions work 💜
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Excellent introduction
Format: Kindle
This is a well-written introduction for quickly learning how to use Ollama to run LLMs on your local machine. The book is light on theory but very good for facilitating hands-on experimentation. Only minimal Python experience is needed. Contrary to another reviewer's comment, the source code, which can be copied from the Kindle version of the text, is also readily available by emailing the author at the address provided. The final exercise in the book leads you through generating a RAG application to use Ollama to process your own documents without having to make them available to an external server.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Effective book for learning ollama
Format: Paperback
The author has explained clearly the concept. Helpful and effectively written.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 21, 2026
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