**Specifications:**
**Brand:** Bose
**Model:** QuietComfort Noise Cancelling Headphones Ultra
**Global Brand Ambassador:** HENRY Liu Xianhua
**Features:**
- Immersive spatial audio with renowned noise-cancelling technology
- CustomTune for personalized sound experience
- Lightweight and comfortable design
- Intelligent in-ear soundstage calibration
- Weight: 252g
- Multiple color options: Dune Gray, Morning Mist White, Classic Black
- Customizable noise-cancelling modes: Quiet Mode, Transparent Mode, Immersive Audio Mode
- CustomTune technology for tailored sound based on ear canal shape
- Snapdragon Sound for enhanced audio experience
**Advanced Microphone Array:**
- Clear and natural voice calls with noise cancellation
- Long-lasting battery life: Up to 24 hours in noise-cancelling/transparent mode, up to 18 hours in immersive audio mode
- Quick charge: 15 minutes for 2.5 hours of listening
- XiaoLong Clear Listening Technology for enhanced audio experience
**Qualcomm S5 Sound Platform:**
- Second-generation Qualcomm S5 audio platform for superior sound experience
- Lossless and high-definition music playback
- Ultra-low latency for gaming
- Stable connection with Snapdragon Sound support
**Convenience Features:**
- Touch-sensitive controls for easy music playback and call management
- Bluetooth 5.3 for reliable connectivity within 9 meters
- Multi-point connection for two devices simultaneously
- SimpleSync technology for synchronized audio between Bose devices
**Additional Information:**
- Customizable settings via Bose app
- Dynamic sound quality adjustments
- Battery level indicator
- Custom shortcuts for personalized experience
**Compatibility:**
- QuietComfort 45
- QuietComfort series
- QuietComfort Noise Cancelling Headphones Ultra
**Weight:**
- QuietComfort 45: 238g
- QuietComfort series: 240g
- QuietComfort Noise Cancelling Headphones Ultra: 252g
**Battery Life:**
- Up to 22 hours (QuietComfort 45)
- Up to 24 hours (QuietComfort series)
- Up to 24 hours (QuietComfort Noise Cancelling Headphones Ultra)
**Bluetooth Version:**
- QuietComfort 45: Bluetooth 5.1
- QuietComfort series: Bluetooth 5.1
- QuietComfort Noise Cancelling Headphones Ultra: Bluetooth 5.3
**Noise Cancellation Features:**
- Wind noise reduction
- Suitable for windy environments
- XiaoLong Clear Listening Technology with microphone audio cable
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