**Specifications:**
**Brand:** Bose
**Model:** QuietComfort Noise-Cancelling Headphones
**Global Brand Ambassador:** HENRY Liu Xianhua
**Features:**
- Classic noise-cancelling technology
- Wind noise reduction function
- Dynamic sound quality
- Lightweight design
- Equalizer
- Customizable
- Weight: 240g
- Up to 24 hours of battery life in noise-cancelling mode
**Sound Quality:**
- Utilizes renowned noise-cancelling technology
- Immersive and authentic sound experience
- Dynamic sound quality equalizer for personalized sound adjustments
**Customizable Noise-Cancelling Modes:**
- Noise-cancelling mode
- Transparency mode
- Custom mode
**Wired and Wireless Connectivity:**
- Built-in microphone audio cable for retro style
- Classic wired connection option
- USB-C charging technology for up to 24 hours of battery life
- Multi-point connection for seamless switching between devices
**SimpleSync Technology:**
- Sync entertainment between QuietComfort headphones and Bose home speakers
**Additional Features:**
- Dynamic sound quality equalizer
- Customizable modes
- Battery level indicator
- Custom shortcuts via Bose app
**Compatibility:**
- Bose app for more features and customization
**Variants:**
- QuietComfort 45
- QuietComfort Ultra
**Weight Options:**
- 238g
- 240g
- 252g
**Battery Life:**
- Up to 22 hours
- Up to 24 hours
**Bluetooth Version:**
- Bluetooth 5.1
- Bluetooth 5.3
**Wind Noise Reduction Feature**
**Microphone Audio Cable for Windy Environments**
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