Bose QuietComfort Manual

The Bose QuietComfort series represents premium noise-cancelling headphones and earbuds designed for immersive audio experiences. Key features include industry-leading active noise cancellation (ANC), high-fidelity audio reproduction, comfortable over-ear or in-ear designs, intuitive controls, long battery life, and seamless Bluetooth connectivity with multipoint pairing. Below are essential sections covering setup, features, operation, maintenance, and troubleshooting.

Features at a Glance

Core components: Headphones/Earbuds, Carrying Case, Charging Cable, Audio Cable (if applicable), Documentation.

Unboxing & Contents

Carefully open the packaging and verify all included items.

1. Bose QuietComfort headphones or earbuds (left and right units).
2. Carrying case (hard-shell for protection).
3. USB charging cable (USB-A to USB-C or proprietary).
4. Audio cable with 3.5mm connector (if applicable).
5. Safety, Warranty, and Quick Start guides.

NOTE: Retain all packaging and accessories for future reference or potential returns.

Initial Setup & Pairing

Power on the device and connect to your audio source.

1. Charge the device: Connect the USB cable to a power source until the battery indicator shows full.
2. Power on: Slide the power switch to the ON position or press and hold the power button.
3. Enable pairing mode: The device will automatically enter pairing mode on first use, or press and hold the Bluetooth button until the LED flashes blue.
4. On your smartphone/tablet, go to Bluetooth settings, select "Bose QuietComfort" from the list.
5. Confirm pairing on both devices when prompted.

TIP: Download the Bose Music app for enhanced control and firmware updates.

Specifications

• Model Variants: QuietComfort 35 II, QuietComfort 45, QuietComfort Earbuds, QuietComfort Ultra.
• Driver Type: Proprietary Bose dynamic transducers.
• Frequency Response: 20 Hz – 20 kHz.
• Bluetooth Version: 5.1 (or higher, depending on model).
• Wireless Range: Up to 9 meters (30 feet) in open space.
• Battery Type: Rechargeable lithium-ion.
• Charging Time: Approximately 2.5 hours for a full charge.
• Weight: Varies by model (approx. 240g for headphones, 8g per earbud).
• Operating Temperature: 0°C to 45°C (32°F to 113°F).

Controls & Functions

Physical controls are located on the ear cups or earbud stems. Virtual controls available via the Bose Music app.

Headphones (QC45 example): Power/Bluetooth button, Noise Cancellation button, Volume up/down, Multi-function button (play/pause, answer calls, voice assistant).

Earbuds: Touch-sensitive surfaces on each bud for tap and hold gestures.

Bose Music App: Adjust ANC levels, set shortcuts, manage connected devices, access equalizer settings, and check battery status.

Using Noise Cancellation

Switch between noise cancellation modes to suit your environment.

1. Press the dedicated NC button to cycle through modes: High (max noise blocking), Low (moderate blocking), Transparency (hear surroundings).
2. In the Bose Music app, customize the intensity of noise cancellation or set it to auto-adjust based on your environment.
3. For best results, ensure ear cups or eartips create a proper seal.

WARNING: Do not use in situations where awareness of your surroundings is critical for safety (e.g., walking near traffic).

Audio & Voice Assistants

Enjoy music, take calls, and use voice commands.

1. Playback: Use the multi-function button to play/pause/skip tracks.
2. Calls: Answer/end calls with the multi-function button; mute/unmute via the app or device button.
3. Voice Assistant: Press and hold the multi-function button to activate Siri, Google Assistant, or Alexa.
4. Audio Quality: Use the Bose Music app equalizer to adjust bass, mid, and treble.

NOTE: Voice assistant functionality requires a compatible smartphone and initial setup in the assistant's app.

Care & Maintenance

Keep your headphones clean and store them properly to ensure longevity.

1. Cleaning: Wipe exterior surfaces with a soft, dry cloth. For ear cushions or eartips, use a cloth slightly dampened with water. Do not use solvents.
2. Storage: Always store in the provided carrying case when not in use.
3. Battery: For long-term storage, charge the battery to approximately 50% and store in a cool, dry place.

CAUTION: Do not submerge in water. Avoid extreme temperatures and direct sunlight.

Regulatory & Safety

FCC Compliance: This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that it does not cause harmful interference. CE, IC, and other regional certifications apply. Contains lithium-ion battery; follow local regulations for disposal. For full regulatory details, warranty information, and safety instructions, refer to the printed documentation or visit www.bose.com.

Troubleshooting

Reset: For major issues, perform a factory reset (instructions vary by model; see app or manual).

Support: For further assistance, contact Bose Customer Service or visit www.bose.com/support.