Based on the provided data, here is a concise summary of the **Bose QuietComfort Ultra (2nd Gen)** headphones:
### **Key Features & Specifications**
* **Product:** Bose QuietComfort Ultra (2nd Gen) Noise Cancelling Over-Ear Wireless Headphones
* **Form:** Closed-back, Over-ear
* **Key Audio Technology:** **Breakthrough Spatialized Audio** (Bose Immersive Audio) for a front-of-you, cinematic sound experience.
* **Noise Control:** Advanced Hybrid ANC with **Quiet Mode**, **Aware Mode** (Transparency), and **Immersion Mode** (combines ANC with spatial audio).
* **Special Mode:** **New Cinema Mode** for optimized video/movie sound.
* **Connectivity:** **Bluetooth 5.4** with Multipoint. **Lossless USB-C Audio** for wired listening.
* **Microphone:** Noise-rejecting mic array with AI-based background noise suppression for clear calls.
* **Battery:** Up to **30 hours** (23 hours with Immersive Audio enabled). USB-C charging with listen-while-charging capability.
* **Weight:** 227g
* **Design:** Premium build with plush cushions and a refined metal headband for comfort.
* **Customization:** **CustomTune** technology adapts sound to your unique ear shape.
### **Performance & Ratings**
* **Customer Rating:** **4.7/5** (from 552 reviews)
* **Best For:** Calls (**75.5/100**) and Budget-conscious buyers (**74.6/100**).
* **Weakest Area:** Studio/Professional audio use (**36.2/100**).
### **Overall Description**
These headphones combine Bose's best noise cancellation with new **Immersive Audio technology** to create spatialized sound from any content. They are designed as a versatile, premium listening solution for music, movies, calls, and gaming on the go.
**Note:** Price information was not provided in the data.
