Bose Quiet Comfort II Manual

The Bose Quiet Comfort II is a premium noise-cancelling headphone model designed for superior audio quality and comfort. It features advanced noise cancellation technology, Bluetooth connectivity for wireless listening, intuitive touch controls, voice assistant integration, up to 20 hours of battery life, a built-in microphone for calls, and a foldable design for portability. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. What's in the Box 3. Getting Started 4. Specifications 5. Controls and Functions 6. Pairing with Devices 7. Using Noise Cancellation 8. Voice Assistant & Calls 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Headphones, Carrying Case, Audio Cable, USB Charging Cable, Remote & Microphone Cable.

FeatureDescription
Noise CancellationAdvanced electronic noise reduction for immersive listening
Bluetooth ConnectivityWireless pairing with smartphones, tablets, and computers
Battery LifeUp to 20 hours of wireless playback with noise cancellation on
Touch ControlsSwipe and tap gestures on earcup for volume, playback, and calls
Voice AssistantIntegrated support for Siri, Google Assistant, and Alexa
Foldable DesignCollapses for easy storage in included carrying case
Auxiliary Input3.5mm audio cable for wired connection
MicrophoneBuilt-in mic for clear hands-free calls
USB-C ChargingFast charging via USB-C port
Comfort FitPlush ear cushions and adjustable headband for extended wear

What's in the Box

Unpack and verify all contents are present.

  1. Bose Quiet Comfort II Headphones
  2. Carrying Case
  3. Audio Cable (3.5mm to 3.5mm)
  4. USB-C Charging Cable
  5. Remote & Microphone Cable (if applicable)
  6. Quick Start Guide
  7. Safety and Warranty Information

WARNING! Keep all packaging materials away from children to prevent choking hazards.

Getting Started

Power on headphones; follow initial setup prompts.

  1. Charge the headphones: Connect USB-C cable to headphones and a power source until battery is full.
  2. Power on/off: Slide power switch to ON position; indicator light will illuminate.
  3. Pair with device: Enable Bluetooth on your device, select "Bose QC II" from list.
  4. Adjust fit: Extend headband and position earcups comfortably over ears.

CAUTION! Ensure headphones are fully charged before first use for optimal performance.

Specifications

Controls and Functions

Access controls via touch panel on right earcup and physical buttons.

Touch Controls (Right Earcup): Swipe up/down for volume, forward/back for track skip, tap to play/pause, double-tap for voice assistant.

Physical Buttons: Power switch, Bluetooth pairing button, Noise Cancellation button (cycles through modes).

Indicator Lights: Bluetooth status (flashing for pairing, solid when connected), Battery level (LED color indicates charge status). Audio Modes: Noise Cancellation (High, Low, Off), Aware Mode (lets in ambient sound).

Pairing with Devices

Bluetooth: Pair with smartphones, tablets, computers. Wired: Use audio cable for non-Bluetooth devices.

  1. Turn on headphones and enable pairing mode (press and hold Bluetooth button until light flashes blue).
  2. On your device, go to Bluetooth settings and select "Bose QC II".
  3. Confirm pairing on device if prompted.
  4. For wired connection, plug audio cable into headphones and device headphone jack.

Tip: Headphones can remember multiple devices; switch by selecting from your device's Bluetooth list.

Using Noise Cancellation

Adjust noise cancellation levels to suit your environment.

  1. Press Noise Cancellation button to cycle through modes: High, Low, Off.
  2. High mode: Maximum noise reduction for loud environments (e.g., planes).
  3. Low mode: Moderate noise reduction for everyday use.
  4. Off: Disables noise cancellation for natural listening.
  5. Aware Mode: Press and hold Noise Cancellation button to temporarily let in ambient sound.

WARNING! Do not use in situations where awareness of surroundings is critical for safety.

Voice Assistant & Calls

Make calls and access voice assistants hands-free.

Voice Assistant: Double-tap touch panel to activate Siri, Google Assistant, or Alexa (set up on paired device). Calls: Answer/end call with single tap on touch panel; reject call with tap and hold. Microphone: Built-in array ensures clear voice pickup during calls.

Care & Maintenance

Unplug cables before cleaning. Use soft, dry cloth for earcups and headband; avoid liquids.

CAUTION! Do not immerse in water; keep away from extreme heat and humidity. Replace ear cushions if worn.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC rules. Operation is subject to conditions: (1) device may not cause harmful interference, (2) device must accept any interference received. Copyright © 2023 Bose Corporation; trademarks owned by Bose Corporation. For support, visit www.bose.com/support or contact 1-800-999-2673.

Troubleshooting

SymptomPossible CauseCorrective Action
Headphones won't turn onBattery depletedCharge using USB-C cable for at least 30 minutes.
Bluetooth pairing failsDistance/interferenceMove closer to device; ensure headphones are in pairing mode.
Noise cancellation not workingMode settingPress Noise Cancellation button to cycle through modes.
Poor audio qualityConnection/obstructionsEnsure clear line of sight for Bluetooth; check audio source quality.
Touch controls unresponsiveScreen protector/dirtClean touch panel with dry cloth; ensure fingers are dry.
Battery drains quicklySettings/ageReduce volume; turn off noise cancellation when not needed; battery may need replacement if old.

Reset: Press and hold Power and Bluetooth buttons for 10 seconds to reset to factory settings.

Service: 1-800-999-2673; www.bose.com/support

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