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**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