Where private meets party — that’s what happens when our next-gen QuietComfort Ultra Headphones meet SoundLink Flex, our most popular Bluetooth speaker. Turn up the volume — and the savings— this season by purchasing this hot set at a reduced price. Whether you want world-class noise cancellation and customizable listening modes or a rugged waterproof companion that goes from the slopes and holiday dinners to beach parties all summer, this bundle delivers powerful sound that makes a perfect gift for anyone, including you!

QuietComfort Ultra Headphones + SoundLink Flex Set

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$498.00 $528.00
Included in set
Bose QuietComfort Ultra Headphones tdt
Bose QuietComfort Ultra Headphones
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World-class noise cancellation, quieter than ever before. Breakthrough spatialized audio for immersive listening, no matter the content or source. Elevated design and luxe materials for unrivaled comfort. It’s everything music makes you feel taken to new highs. Bose Immersive Audio pushes the boundary of what it means to listen by taking what you’re hearing out of your head and placing it in front of you. It sounds so real it’s almost like you could reach out and touch it.
Save $50 when you purchase by May 12, 2024
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Bose SoundLink Flex Bluetooth Speaker​ tdt
Bose SoundLink Flex Bluetooth Speaker​
3.4 out of 5 Customer Rating
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Sound for any all-day runway. The SoundLink Flex Bluetooth® speaker is the perfect chic musical sidekick, with a waterproof, dustproof, life-proof design that can handle whatever comes your way — with dazzling sound and deep bass. So whether you're storming the city, hanging by the beach, or just having friends over for dinner, the powerful SoundLink Flex helps you elevate the moment.
Save $30 when you purchase by May 12, 2024
color Chilled Lilac
  • Only a few left!

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Save $50 when you purchase by May 12, 2024
Save $30 when you purchase by May 12, 2024

4 Interest-free installments with Klarna or Afterpay. Learn more
Where private meets party — that’s what happens when our next-gen QuietComfort Ultra Headphones meet SoundLink Flex, our most popular Bluetooth speaker. Turn up the volume — and the savings— this season by purchasing this hot set at a reduced price. Whether you want world-class noise cancellation and customizable listening modes or a rugged waterproof companion that goes from the slopes and holiday dinners to beach parties all summer, this bundle delivers powerful sound that makes a perfect gift for anyone, including you!
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QuietComfort Ultra Headphones + SoundLink Flex Set
$498.00 $528.00

Bose QuietComfort Ultra Headphones

box content
What’s in the Box
  • Bose QuietComfort Ultra Headphones
  • Carry case
  • 3.5 mm to 2.5 mm audio cable
  • USB-C® (A to C) cable (20")
  • Safety sheet
Headphone Fit Around Ear Circumaural
Headband On Head Adjustable
Cushions Removable Cushion
Microphones Built-in Microphone
Noise Cancelling Yes
Noise Control Type Active Noise Cancelling, Echo Reduction, Adjustable Noise Cancelling
Audio cable included Yes
Case Carry
Headphone 7.7" H x 5.5" W x 2.0" D (0.56 lb)
Product Material Plastic, Aluminum, Leather (Protein)
Product Case Material Plastic (Hard)
Ear Cushion Material Protein Leather
Rechargeable Yes
Battery Life 24 hours
Battery Charge Time 3 hours
Charging Accessory included Yes
Charging Interface(s) USB C PORT
Wireless Connectivity Bluetooth, A2DP Bluetooth Audio Streaming, HFP Bluetooth, AVRCP Bluetooth, Bluetooth Low Energy
Bluetooth Version 5.3
Bluetooth Range 30'
Bose App Bose Music App

Bose QuietComfort Headphones are the successors to QuietComfort 45 Headphones. They deliver high-fidelity audio performance and world-class noise cancellation that allow you to hear more of your music and movies — while traveling, at the office, or at home.

QuietComfort Ultra Headphones offer our most premium design and our most advanced technologies, for the best Bose listening experience in a headphone. With QuietComfort Ultra Headphones, you will enjoy our best headphone noise cancellation, audio quality personalized with CustomTune, and voice pickup, among other premium features.

Immersive Audio allows you to hear audio as if it were coming from beyond your QuietComfort Ultra Headphones, thereby allowing for a more spacious, natural listening experience. Your music and other audio will have a wide sound stage in front and to the sides, just as if you were listening to a pair of stereo speakers and seated at the sweet spot between them.

Bose CustomTune technology is a proprietary Bose technology that optimizes the audio playback you hear based on the unique physical properties of your ear and ear canal. It works by playing a specially designed calibration tone as the welcome chime each time you power on the headphones while wearing them. It then measures how the shape of your ear uniquely modifies that sound. The headphones use that information to adjust their sound to your ears, creating a more balanced, authentic audio experience.

Proprietary TriPort acoustic headphone structure utilizes external ports to vent the earcups and effectively enlarge the acoustic volume, without increasing the size of the earcup. The result is better audio and active noise reduction from a smaller, lighter, more comfortable headphone.

Bose QuietComfort Ultra Headphones utilize both active and passive noise reduction technologies. They use a sophisticated proprietary electronics approach for active noise reduction, placing microphones both inside and outside the earcups. The electronics system senses the sound in almost any environment and then measures, compares, and reacts — instant by instant — to produce an opposing cancellation signal. Meanwhile, passive noise reduction is achieved by the combination of earcup fit, design, and clamping force of the headband.

QuietComfort Ultra Headphones have three controls on the right earcup: a Bluetooth/power button at the bottom, a multi-function button in the back, and a capacitive volume strip along the edge. Additionally, the headphones are equipped with on-head/off-head detection, which is another way to control the product.

• The Bluetooth/power button is used to power the headphones on/off, put the headphones in pairing mode, cycle through paired devices, and more.

• The multi-function button supports audio playback (e.g., play/pause/skip), telephony (e.g., answer/decline calls), mode switching (e.g., Quiet, Aware, Immersion), and more.

• Swiping along the volume strip changes volume, and pressing and holding on it activates a user-configurable shortcut.

• Putting the headphones on and taking them off controls wake/sleep/auto-off and resume/pause. Auto-off can be customized in the Bose Music app.

Listening modes are collections of headphones settings that you can name and access with a single action. You can combine the following settings in a mode:

• Noise cancellation level

• Wind Block on/off

• ActiveSense on/off (applicable only in Aware mode)

• Immersive Audio setting

Three modes are provided by default:

• Quiet: noise cancellation set to maximum; all other settings off

• Aware: noise cancellation set to Aware; all other settings off

• Immersion: noise cancellation set to maximum; Immersive Audio set to Motion

With the Bose Music app, you can create your own custom modes as well as switch between modes.

ActiveSense listens for very loud outside sounds and selectively applies noise cancellation briefly during those sounds. This way, you can remain aware of your surroundings without having your music drowned out by interruptions like passing vehicles and loud appliance motor noises such as a coffee grinder or blender. ActiveSense can be enabled and disabled in the Aware mode setting.

Wind Block is a setting you can use when your environment is windy. Wind Block mutes the microphones on the outside of the earcups used for noise cancellation so that gusts of wind do not cause system responses that become noise disturbances in themselves. Note that the exterior microphones used for voice pickup are not muted, so if you’re on a call, the person on the other end will still hear the wind.

Bose QuietComfort Ultra Headphones also give you two options when it comes to audio EQ. Do nothing and the bass, midrange, and treble of whatever you’re listening to will be adjusted automatically to make it sound great. Or choose Equalizer in the settings of the Bose Music app to change the audio levels yourself to however you like them best. Either way, you’ll enjoy immersive sound at any volume.

Yes. QuietComfort Ultra Headphones have an adaptive microphone system that allows you to use the headphones during calls when connected to any smartphone. In addition to traditional calls, the headphones will work with many apps that use Voice over Internet Protocol (VoIP), such as Teams, Zoom or FaceTime. The microphone system adapts to your environment to isolate your voice from competing background noises and wind so that you can confidently take a call, knowing you will be heard clearly and naturally. In addition, self-voice allows you to hear yourself naturally, as if you weren’t wearing headphones at all, so you can monitor the volume of your voice and minimize the effects of speaking while wearing headphones.

First, make sure your headphones are turned on with the slider switch in the middle “On” position. Next, slide and hold the switch to the Bluetooth icon until the Bluetooth LED flashes blue or when the voice prompt indicates the headphones have entered into pairing mode. Please note, if this is your first time connecting the headphones, they will automatically turn on into pairing mode. Voice prompts will provide you with additional guidance. We recommend using the Bose Music app to complete the pairing process, however, Bluetooth settings on your device can be used to complete pairing.

Bose QuietComfort Ultra headphones have a range of up to 30 ft (9 meters) from the source device. This range may be reduced by physical obstructions, such as walls and doors, or by interference from other electronic devices. Pops or a cracking noise may be heard if there’s interference with the Bluetooth connection. If that happens, move away from wireless routers or microwaves and bring your headphones closer to the Bluetooth device.

The headphones can be charged using the USB-C cable supplied in the box and plugging into a USB port on a PC, laptop, or wall charger. Allow up to 2 hours for the headphones to fully charge. The battery light indicator will show an amber light while the headphones are charging and turn green when fully charged. When you don’t have time for a full charge, the fast-charge feature provides up to 3 hours of play time from a quick, 15-minute charge.

No. QuietComfort Ultra Headphones feature proprietary Bose active EQ to provide incredible, life-like sound, in conjunction with a personalized listening experience enabled by CustomTune technology. To enable this, the headphones must be powered on during use, including when using the auxiliary audio cable.

No.

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Owner's guide

Bose SoundLink Flex Bluetooth Speaker​

box content
What’s in the Box
  • Bose SoundLink Flex Bluetooth speaker
  • USB Type-C cable
Microphones Built-in Microphone
Sound Options Shielded Speakers, Speakerphone, SimpleSync, Full Range Speakers, Party Mode (When Enabling Two Speakers), PositionIQ, Stereo Mode (When Enabling Two Speakers)
Noise Control Type Echo Reduction
Audio cable included No
Water Resistant IP67
Entire Product System 3.56" H x 7.93" W x 2.06" D (1.300 lb)
Product Material Aluminum, Fabric, Nylon, Plastic, Silicone, Steel
Battery Life 12 hours
Battery Charge Time 4 hours
Charging Interface(s) USB C PORT
Wireless Connectivity Bluetooth, Wireless Connectivity
Bluetooth Version 4.2
Bluetooth Range Up to 30 ft (9 m)
Bose App Bose Connect App

The SoundLink Flex’s Bluetooth connection is capable of stable operation of at least 30 ft (9 m). Performance can be affected by obstacles such as walls or metal, interference from Wi-Fi® or other wireless devices, and device manufacturers’ Bluetooth implementations. SoundLink Flex uses the same Bluetooth 4.2 chip that Bose has used in many other speakers, building on our years of interoperability experience and rigorous testing to offer a strong and highly reliable connectivity experience.

The SoundLink Flex keeps track of the last 8 devices to have paired and connected with it, dropping the least recently used when a new one is paired. When in Bluetooth mode, the SoundLink Flex searches for and connects to the two most recently connected active Bluetooth-enabled devices. The speaker only receives audio from one device at a time. When the first device stops playing, the other can start.

When in audio playback mode, the multi-function button allows for play (single press), pause (single press), track forward (double press), and track backwards (triple press). Pressing and holding the multi-function button will activate the voice control capabilities of your device. Pressing the multi-function button again will exit the voice control mode.


When there is an incoming call, pressing the multi-function button will answer the call and pressing and holding it will reject the call. During an active call, pressing the multi-function button will end the call.

The microphone in the speaker acts as an extension of the microphone in your smartphone. It’s activated when you make or take a call and when you use the multi-function button to access the voice control capabilities on your device to ask Siri or Google Assistant to play music, tell you the weather, give you the score of a game, and other common tasks.

Yes. The SoundLink Flex can be used for both out loud listening and hands-free communication, perfect for phone calls or even group meetings while working from home.

When a call comes in, the audio on the SoundLink Flex will pause, and the call will ring through the speaker. If you wish to answer the call through the SoundLink Flex, simply press the multi-function button to answer the call. You can now talk into the speaker itself to conduct your phone call. Once you end your call, music playback will resume. Some details of this experience will vary depending on the implementation by the phone manufacturer.

Party Mode lets you connect two Bose Bluetooth speakers to play audio in perfect sync. This feature requires any two Bose Bluetooth speakers from the following list: SoundLink Flex, SoundLink Micro, SoundLink Color II, SoundLink Revolve (series I & II) and SoundLink Revolve+ (series I & II). The primary method of entering this mode is through the Bose Connect app.

If you did not yet download the Bose Connect app, you can still enable Party Mode by pressing and holding the Bluetooth and volume up buttons until you hear “Press the Bluetooth and volume down buttons simultaneously on a second Bose device.”

On the other speaker, press and hold the Bluetooth button and volume down simultaneously and release the buttons when the speaker emits a tone.

After 10 seconds, you hear “Party Mode” from both speakers simultaneously. Party Mode is enabled. You are now able to play audio in unison using your device.

Stereo Mode, as the name suggests, enables a stereo audio experience via two Bose Bluetooth speakers from the following list: SoundLink Flex, SoundLink Micro, SoundLink Color II, SoundLink Revolve (II) and SoundLink Revolve+ (II). The primary method of entering this mode is through the Bose Connect app.

If you did not yet download the Bose Connect app, you can still enable this mode by first configuring Party Mode as described above. Then, toggle to Stereo Mode by pressing and holding the Bluetooth button and volume up until you hear “Stereo Mode.”

Pressing Bluetooth and volume up again will toggle back to Party Mode.

SoundLink Flex features one custom-designed transducer and two small passive radiators (one front and one rear facing) to deliver the clearest possible sound and strong, deep bass for a product of its size. The speaker also features PositionIQ technology, which automatically detects its orientation and optimizes the EQ to ensure natural, lifelike sound no matter the orientation. Together, these technologies enable the SoundLink Flex to deliver an exceptional music experience with remarkable simplicity.

Using a built in sensor, SoundLink Flex detects its orientation and automatically adjusts its EQ to deliver an uncompromised, high-fidelity audio experience whether it’s vertical, lying flat, or horizontal. SoundLink Flex is the only Bose product to feature this proprietary technology.

No. The SoundLink Flex’s wireless connection is Bluetooth only.

With SoundLink Flex, we’ve stretched beyond the required testing parameters — in this case an IP67-rated product — to ensure that your speaker will long outlast an accidental drop into water or getting exposed to a dust storm. The SoundLink Flex is completely dust-tight, can withstand water splashes as well as the pressure of being immersed in water up to 3.3 ft. (1 m) deep, for up to 30 minutes. To ensure further protection from water, dust, and debris, the transducer and passive radiators underneath the steel grille are built with rugged, waterproof materials.

Yes. The SoundLink Flex will float.

The SoundLink Flex is rugged and sturdy enough to take everywhere. If it gets dirty, you can simply clean it off using (lukewarm) tap water and a microfiber cloth. Also make sure to rinse it with fresh water if it’s exposed to salt or chlorinated water. Don’t use a cleaning detergent or alcohol. Ensure the charging port is clean and dry before you connect it to power.

No. While the loop is designed to provide many years of service without noticeable degradation in performance, if it does break, the unit must be sent back and the loop repaired/replaced by Bose.

In typical usage, the SoundLink Flex battery lasts up to 12 hours. As with any battery-operated device, battery performance can vary based on a number of different factors. These include the type of content being played, the volume at which it’s played, and the surrounding temperature. SoundLink Flex was rigorously tested and verified to provide up to 12 hours of battery life based on playing music at typical indoor temperatures from Spotify’s Global Top 50 at 65% volume, which represents a comfortable volume while listening indoors. Under these typical use conditions, SoundLink Flex offers approximately 12 hours of playtime, or about 17 hours of podcasts or voice calls. Listening to music at less than 50% volume ensures a longer battery life, whereas increasing the volume past 65% of max decreases the life of the battery at a faster rate.

Because SoundLink Flex employs a standard USB-C charging interface, it can receive power from nearly any USB power source. For best results, use the included USB-C to USB-A cable with a USB power source rated for at least 1.5 amps (not included). Please note that some power sources with less than 1 amp of current may charge SoundLink Flex more slowly than the recommended power sources, and may not be able to keep up with the power consumed while the speaker is operating.

While not playing music, much of the SoundLink Flex’s battery charge can be recovered in approximately 4 hours when using a USB power source. With a stronger power source (1.5 amp), charging time may be closer to 3 hours. Charging from alternate USB power sources or when playing music may take longer.

Yes. You can manually pair your mobile device to a SoundLink Flex speaker without using the Bose Connect app. First, enable Bluetooth in your phone’s settings. Power on the SoundLink Flex and press and hold the Bluetooth button. You will hear, “Ready to connect,” and the speaker’s Bluetooth light will blink blue. In your phone’s settings, choose “Bose Flex SoundLink” from the list of devices. You will hear “Connected to <mobile device name>” and the speaker’s Bluetooth light will become solid white, indicating that your mobile device and speaker are connected.

Yes. You can pair a Bose SoundLink Flex with another Bose Bluetooth speaker without using the Bose Connect app. To manually pair a SoundLink Flex with another Bose Bluetooth speaker, make sure both speakers are powered on and one speaker is connected to your mobile device. On the speaker connected to your device, press and hold the Bluetooth and the Volume up (+) buttons simultaneously. Release the buttons when you hear “Press the Bluetooth and Volume down buttons simultaneously on a second Bose device.” On the other speaker, press and hold the Bluetooth and Volume down (–) buttons simultaneously. Release the buttons when the speaker emits a tone. After about 10 seconds, you hear “Party Mode” from both speakers simultaneously. Party Mode is enabled, and you are now able to play audio in unison using your mobile device. For more information about manual pairing, including how to enable stereo mode, please refer to the SoundLink Flex Owner’s guide.

Yes. All of SoundLink Flex’s components, including the USB-C charging port, are built with rugged, waterproof materials. If water or dust enters the USB-C port, the speaker won’t be damaged, because its interior components are sealed tightly to ensure protection from water, dust, and debris. If debris gets into the charging port, you can gently brush it out (while taking care not to damage the pins). You can also gently rinse the port with fresh water (let it dry before operating the speaker).

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Available on Google Play and the Apple Store

Owner's guide
Quick start guide

Why buy from Bose.com

QuietComfort Ultra Headphones features

Bose QuietComfort Ultra Headphones
  • Spatial audio headphones
    What you hear is placed just in front of you, so it’s like you’re listening without wearing headphones.
  • World-class noise cancellation
    Quiet Mode engages full noise cancellation so you can focus. Aware Mode feels as if you aren’t wearing headphones at all.
  • CustomTune tech shapes sound to you
    The headphones analyze your ears, adapt to the shape, and auto-adjust to personalize the sound so it all hits just right.
  • Go ahead, listen longer.
    The headphones play up to 24 hours on Quiet or Aware Mode (up to 18 hours with Immersive Audio).*
  • No more “huh?” when you want to say “hello”
    Hear and be heard clearly on calls with a revolutionary mic system.

SoundLink Flex Bluetooth Speaker features

Black, Cypress Green, Stone Blue, Carmine Red, and White Smoke SoundLink Flex Bluetooth Speakers
  • Built to last
    Powder-coated steel grille and silicone exterior to handle falls, it won't peel or flake, and it's resistant to rust corrosion and UV light.
  • Sound that finds you
    Engineered to automatically adjust to however it's oriented, PositionIQ makes sure to optimize your sound.
  • Big sound, small package.
    Innovative transducer is custom-designed to deliver clear sound and strong, deep bass that packs a punch.
  • Survives spills, dips, and more.
    IP67 rating means this waterproof, dustproof speaker can float in the ocean or get sandy at the beach, all without missing a beat.

*Select products purchased on Bose.com are covered by the Bose Limited Warranty of 2 years.

Ratings and Reviews

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