Based on the provided data, here is a clear and structured summary of the **Bose QuietComfort Ultra (2nd Gen)** headphones.
### **Key Specifications & Features**
* **Model:** Bose QuietComfort Ultra (2nd Gen)
* **Type:** Over-Ear, Closed-Back Wireless Headphones
* **Price:** Not Available
* **Customer Rating:** 4.7/5 (552 reviews)
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### **Core Audio & Technology**
* **Immersive Audio:** Breakthrough "Spatialized Audio" technology places sound in front of the listener for a more immersive experience.
* **CustomTune:** Sound adapts to your unique ear shape for personalized audio.
* **Lossless USB Audio:** USB-C wired listening delivers crystal-clear, lossless sound.
* **Cinema Mode:** Optimizes audio for video content, balancing dialogue and sound effects.
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### **Noise Control & Microphone**
* **Noise Cancellation:** Bose's best hybrid ANC with "Quiet Mode."
* **Transparency Mode:** "Aware Mode" lets you hear your surroundings.
* **Immersion Mode:** Combines noise cancellation with immersive audio.
* **Microphone System:** 12 noise-rejecting microphones with AI-based background noise suppression for clear calls.
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### **Connectivity & Battery**
* **Connectivity:** Wireless with Bluetooth 5.4 and Multipoint support.
* **Battery Life:** Up to 30 hours of playtime (23 hours with Immersive Audio enabled). Supports charging while listening via USB-C.
* **Weight:** 227g
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### **Design & Comfort**
* **Design:** Stylish, premium build with a refined metal headband.
* **Comfort:** Plush ear cushions and a headband designed for even pressure distribution for all-day comfort.
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### **Performance Summary**
* **Best For:** **Calls (75.5/100)** and **Budget (74.6/100)**.
* **Overall Score:** **72.1/100**
* **Weakest Area:** **Studio use (36.2/100)** – indicating they are optimized for consumer listening, not critical audio production.
### **Included Accessories**
* USB Cable
* Audio Cable
* Carrying Case
**Bottom Line:** The Bose QuietComfort Ultra (2nd Gen) headphones are premium wireless over-ear headphones focused on delivering an **immersive, personalized listening experience** with top-tier noise cancellation, comfort, and call quality. They are best suited for everyday entertainment, travel, and communication, rather than professional studio work.