Bose QuietComfort 45 Noise Canceling Bluetooth Headphones - Renewed

In this review of the Bose QuietComfort 45 Noise Canceling Bluetooth Headphones (Renewed), the bottom line is simple: these are best for listeners who want dependable noise cancellation, comfortable all-day wear, and balanced sound without paying full retail. The refreshed unit tested here performs like a mature second-generation design, delivering clear highs and stable bass along with reliable wireless range. The biggest reason to buy is the combination of effective active noise cancelling and long battery life in a lightweight, comfortably padded over-ear package suitable for frequent travel or noisy workspaces.

Key Features

• Active Noise Cancellation: Dual tiny microphones measure and cancel outside noise so users can focus on music or calls in loud environments.
• High-Fidelity Audio: TriPort acoustic architecture and volume-optimized Active EQ keep bass consistent and maintain clarity at any listening volume.
• Quiet and Aware Modes: Choose full Quiet Mode for immersive listening or Aware Mode to hear ambient sound alongside audio when situational awareness is needed.
• All-Day Comfort: Plush synthetic leather ear cushions and low clamping force make these over-ear headphones suitable for extended wear without pressure points.
• Long Battery Life: Up to 24 hours per charge with a 15-minute quick charge providing about 3 hours for times when you need power fast.
• Bluetooth and Wired Options: Wireless Bluetooth connectivity within roughly 30 ft and included audio cable for wired listening extend flexibility.

Who It's For

The QuietComfort 45 Renewed is ideal for commuters, frequent flyers, and remote workers who need effective noise cancellation, a comfortable fit, and predictable battery life. It also suits listeners who prefer a neutral sound profile with controlled bass that does not overwhelm at low volumes.

Those who rely on brand-new packaging, require the latest experimental features, or need perfect factory-fresh cosmetic condition without any risk should consider a new retail unit instead, since this is a professionally inspected renewed product and availability can vary by supplier.

Pros & Cons

Pros

• Excellent noise cancelling that reduces ambient distractions for focused listening.
• Balanced, high-fidelity sound with consistent bass due to Active EQ and TriPort design.
• Comfortable, lightweight build with plush ear cushions for long sessions.
• Long battery life with fast 15-minute quick charge for added convenience.

Cons

• As a renewed product, occasional units may arrive with cosmetic wear or functional issues reported by some customers.
• Not the newest model in the lineup, so lacks any cutting-edge features that newer releases might include.

Specifications

Model	QuietComfort 45 (Renewed)
Form Factor	Over-ear, around-ear headphones
Noise Cancellation	Active noise cancelling with Quiet and Aware modes
Battery Life	Up to 24 hours; 15 min charge = ~3 hours
Connection	Bluetooth wireless (approx 30 ft range) and wired via included audio cable
Charging	USB-C charging cable included

Our Verdict

The Renewed QuietComfort 45 is a strong value for anyone who prioritizes comfort, reliable active noise cancellation, and consistent high-fidelity sound without paying full price for a new unit. It performs as expected for travel, work, and daily listening, though buyers should accept the renewed condition and inspect functionality on arrival.

Frequently Asked Questions

Are renewed units guaranteed to work?
Renewed units are professionally inspected and tested to function like new and are typically eligible for replacement or refund under the seller's renewed guarantee.

How long does the battery take to fully charge?
Full charge time is longer than the quick 15-minute boost; plan for several hours for a complete recharge via the included USB-C cable.

Can I use these wired if the battery dies?
Yes, the included audio cable allows wired listening if you need to continue using the headphones with no battery.