Bose QuietComfort Acoustic Noise Cancelling User manual

QUIETCOMFORT HEADPHONES
Cue the
music.

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WHAT’S IN THE BOX
CONTENTS
Confirm that the following parts are included:
Bose QuietComfort Headphones Carry case
USB Type-A to USB Type-C® cable 3.5 mm to 2.5 mm audio cable
with microphone
NOTE: If any part of your product appears to be missing or damaged, don’t use it.
Visit support.Bose.com/QCsupport.Bose.com/QC for troubleshooting articles, videos, and
product repair or replacement.

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BOSE MUSIC APP
The Bose Music app lets you set up and control the headphones from any mobile
device, such as a smartphone or tablet.
Using the app, you can manage Bluetooth connections, manage headphone seings,
choose your voice prompt language, and access new features through updates.
NOTE: If you’ve already created a Bose Music account for another Bose product, add
the headphones to your existing account (see the boom of page 11).
DOWNLOAD THE BOSE MUSIC APP
1. On your mobile device, download the Bose Music app.
BOSE MUSIC
2. Follow the app instructions.
ADD THE HEADPHONES TO AN EXISTING ACCOUNT
To add your Bose QuietComfort Headphones, open the Bose Music app and add
your headphones.

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HEADPHONE CONTROLS
The headphone controls are located on the back of the earcups.
Multi-function buon
Action buon
USB-C® port2.5 mm audio port
Volume down
Volume up
Power/Bluetooth
switch

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HEADPHONE CONTROLS
POWER ON
Slide the Power/Bluetooth switch to the right l.
A voice prompt announces the baery level, and the status light glows according to
the current charge level (see page 28).

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HEADPHONE CONTROLS
POWER OFF
Slide the Power/Bluetooth switch to the left.
NOTE: When the headphones are powered o, noise cancellation is disabled.
Auto-off
Auto-o conserves the headphone baery when they aren’t in use.
To enable and customize the auto-o feature, use the Bose Music app. You can
access this option from the Seings menu.

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HEADPHONE CONTROLS
MEDIA PLAYBACK AND VOLUME
The Multi-function buon and volume buons control media playback and volume.
Volume up
Multi-function buon
Volume down
FUNCTION WHAT TO DO
Play/Pause Press the Multi-function buon.
Skip forward Double-press the Multi-function buon.
Skip backward Triple-press the Multi-function buon.
Volume up Press H.
Volume down Press z.
NOTES:
• To quickly increase the volume, press and hold H.
• To quickly decrease the volume, press and hold z.

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HEADPHONE CONTROLS
PHONE CALLS
The Multi-function buon controls phone calls. The Action buon enables you to
mute the audio while on a call.
Action
buon
Multi-function
buon
Microphone
FUNCTION WHAT TO DO
Answer/End a call Press the Multi-function buon.
Decline an incoming call Press and hold the Multi-function buon for 1 second.
Answer a second incoming call
and put the current call on hold
While on a call and a second incoming call is ringing,
press the Multi-function buon.
Decline a second incoming call
and stay on current call
While on a call and a second incoming call is ringing,
press and hold the Multi-function buon for 1 second.
Switch between two calls While two calls are active, double-press the
Multi-function buon.
Create a conference call While two calls are active, press and hold the
Multi-function buon for 3 seconds.
Mute/Unmute a call While on a call, double-press the Action buon.

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HEADPHONE CONTROLS
NOISE CANCELLATION
The Action buon allows you to quickly and easily switch between noise
cancelling modes.
For information about noise cancelling modes, see page 20.

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HEADPHONE CONTROLS
MOBILE DEVICE VOICE CONTROL
You can use the headphones to access voice control on your mobile device.
Press and hold the Multi-function buon.
NOTE: You can’t access voice control while on a call.

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SHORTCUTS
A shortcut enables you to quickly and easily access one of the following functions:
• Access Spotify
• Access baery level
NOTE: By default, accessing baery level is enabled.
USE YOUR SHORTCUT
Press and hold the Action buon.
CHANGE OR DISABLE YOUR SHORTCUT
To change or disable your shortcut, use the Bose Music app. You can access this
option from the main screen.

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Noise cancelling reduces unwanted noise, providing a clearer, more lifelike
audio performance.
You can choose between two pre-configured noise cancelling modes — Quiet or
Aware — or create up to two of your own custom modes.
Choose your noise cancelling mode based on your listening preferences
and environment.
NOISE CANCELLING MODES
MODE DESCRIPTION
Quiet Full noise cancellation with Bose-optimized audio. Allows you to block
out distractions using the highest level of noise cancellation.
Aware Full transparency with Bose-optimized audio. Allows you to hear your
surroundings while enjoying your audio.
Custom
Custom noise control (noise cancellation or wind blocking) based on
your listening preferences and environment.
NOTE: You can create up to two custom modes using the Bose Music
app. To access this option, tap Modes on the main screen.
NOTE: By default, the headphones power on in Quiet Mode. To set the headphones
to power on with the last mode used, use the Bose Music app. You can access
this option from the Seings menu.
NOISE CANCELLATION

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NOISE CANCELLATION
CHANGE THE NOISE CANCELLING MODE
Press the Action buon.
A voice prompt announces the selected mode.
TIP: You can also change the mode using the Bose Music app. To access this option,
tap Modes on the main screen.
NOISE CANCELLATION WHILE ON A CALL
When you make or receive a call, the headphones remain at the current noise
cancellation seing and self voice is activated. Self voice helps you hear yourself
speak more naturally.
To adjust noise cancellation while on a call, change the mode (see “Change the noise
cancelling mode”).
NOTE: To adjust self voice, use the Bose Music app. You can access this option from
the Seings menu.

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NOISE CANCELLATION
USE NOISE CANCELLATION ONLY
You can use noise cancellation only, without audio or interruptions from phone calls.
1. Do one of the following:
• Disconnect your mobile device (see page 25).
• Turn the Bluetooth feature o on your mobile device.
2. Press the Action buon change the mode (see page 21).
NOTE: To reconnect your mobile device, select the headphones from the Bluetooth
list on your device.

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BLUETOOTH CONNECTIONS
You can store up to eight devices in the headphone device list, and the headphones
can be actively connected to two devices at a time (multi-point connection). You can
play audio from only one device at a time.
NOTE: For the best experience, use the Bose Music app to set up and connect your
mobile device (see page 11).
CONNECT USING THE BOSE MUSIC APP
To connect the headphones and manage Bluetooth seings using the Bose Music
app, see page 11.
CONNECT USING THE BLUETOOTH MENU ON YOUR
MOBILE DEVICE
1. Slide the Power/Bluetooth switch to the right land hold for 3 seconds until you
hear “Ready to connect” and the status light blinks blue.

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BLUETOOTH CONNECTIONS
3. On your device, enable the Bluetooth feature.
NOTE: The Bluetooth feature is usually found in the Seings menu.
4. Select your headphones from the device list.
NOTE: Look for the name you entered for your headphones in the Bose Music
app. If you didn’t name your headphones, the default name appears.
Bose QC Headphones
Once connected, you hear “Connected to <device name>,” and the status light
glows solid blue for 10 seconds.

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BLUETOOTH CONNECTIONS
DISCONNECT A MOBILE DEVICE
Use the Bose Music app to disconnect your mobile device.
TIP: You can also use Bluetooth seings to disconnect your device. Disabling the
Bluetooth feature disconnects all other devices.
RECONNECT A MOBILE DEVICE
When powered on, the headphones try to reconnect with the two most
recently-connected devices.
NOTES:
• The device must be within range (30 ft or 9 m) and powered on.
• Make sure the Bluetooth feature is enabled on your mobile device.
CONNECT ANOTHER MOBILE DEVICE
The headphones can be actively connected to two devices at a time
(multi-point connection).
To connect another device, download the Bose Music app (see page 11) or use the
Bluetooth menu on your mobile device (see page 23).
NOTES:
• You can only play audio from one device at a time.
• To manage a multi-point connection, use the Bose Music app. You can access this
option from the Seings menu.
• Disabling a multi-point connection disconnects the second connected device.
IDENTIFY CONNECTED MOBILE DEVICES
Slide the Power/Bluetooth switch to the right land release to hear which device is
currently connected.

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BLUETOOTH CONNECTIONS
SWITCH BETWEEN TWO CONNECTED MOBILE DEVICES
1. Pause audio on your first mobile device.
2. Play audio on your second mobile device.
NOTES:
• Your headphones receive phone calls from both devices, regardless of which
device is playing audio.
• You can also switch between two devices using the Bose Music app. You can
access this option from the Seings menu.
RECONNECT A PREVIOUSLY CONNECTED DEVICE
1. Slide the Power/Bluetooth switch to the right land release to hear which device
is connected.
2. Within 2 seconds, slide the Power/Bluetooth switch to the right land release
again to connect to the next device in the headphone device list.
3. Repeat until you hear the correct device name.
You hear a tone that indicates when the device is connected.
4. Play audio on the connected mobile device.
NOTE: If two devices are already connected to the headphones, the newly-
connected device replaces the second device that was previously connected.
CLEAR THE HEADPHONE DEVICE LIST
1. Slide the Power/Bluetooth switch to the right land hold for 15 seconds until you
hear “Bluetooth device list cleared. Ready to connect.”
2. Delete your headphones from the Bluetooth list on your mobile device.
All devices are cleared and the headphones are ready to connect.

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BATTERY
CHARGE THE HEADPHONES
1. Connect the small end of the USB cable into the USB-C port on the
right earcup.
2. Connect the other end into a USB-A power source such as a computer or
wall charger.
The headphones begin charging, and the status light blinks white for 10 seconds.
When the headphones are fully charged, the status light glows solid white.
NOTE: The headphones don’t play and aren’t available in the Bose Music app
while charging.
Charging time
Allow up to 2.5 hours to fully charge the headphones.
A full charge powers the headphones for up to 24 hours.
Hear the battery level
Each time you power on the headphones, a voice prompt announces the baery level.
When the headphone baery is low, you hear “Baery low.”
NOTE: To visually check the baery, see the status light located on the right earcup.
For more information, see “Baery status” on page 28.

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HEADPHONE STATUS
The status light is located on the right earcup.
BLUETOOTH STATUS
Shows the Bluetooth connection status.
LIGHT ACTIVITY SYSTEM STATE
Blinking blue Ready to connect
Solid blue (10 seconds) Connected
BATTERY STATUS
Shows the baery level.
LIGHT ACTIVITY SYSTEM STATE
Solid white Medium to full charge
Solid amber Low charge
TIP: You can also check the baery level using the Bose Music app.