Bluetooth throws data away to fit audio down a wireless link, and how much it throws away depends entirely on the codec. QuietComfort Ultra Earbuds White Smoke support Snapdragon Sound with aptX Adaptive, which on a compatible Android phone carries considerably more information than the standard codec every earbud falls back to.
Table of Contents
- Snapdragon Sound and What It Changes
- What Happens on an iPhone
- Calls and Aware Mode
- Who White Smoke Suits
- Why the Stem Design Matters
- Technical Specifications
- FAQ
QuietComfort Ultra Earbuds White Smoke: Snapdragon Sound and What It Changes
aptX Adaptive does two useful things. It carries a higher bitrate than SBC, so more of the original recording survives the journey. And it varies that bitrate in real time — dropping it when the connection weakens to avoid a stutter, raising it again when the signal is strong.
The practical result on a compatible Android device is audibly more detail and a connection that holds together in crowded places where Bluetooth normally struggles.
QuietComfort Ultra Earbuds White Smoke: What Happens on an iPhone
iPhones do not support aptX. They connect over AAC, which Apple implements well and which sounds very good — but the adaptive bitrate advantage does not apply.
This is worth knowing before you buy for the codec alone. If you are on iOS, the reasons to choose the Ultra are CustomTune and Immersive Audio, not Snapdragon Sound.
QuietComfort Ultra Earbuds White Smoke: Calls and Aware Mode
Use Aware Mode while speaking. Full cancellation removes your own voice along with the room, and almost everyone responds by talking too loudly without realising it. Aware Mode restores natural self-monitoring so you sound normal to the person on the other end and to yourself.
ActiveSense runs inside Aware Mode and softens sudden noise spikes, so leaving transparency on during a call in a cafe does not mean taking the full force of a coffee grinder. More detail is on the official Bose QuietComfort Ultra Earbuds page.
Browse more in our earbuds collection, or see the full range from Bose.
QuietComfort Ultra Earbuds White Smoke: Who White Smoke Suits
White Smoke is a soft off-white with a faint grey cast rather than a bright white, which keeps it calm on camera during video calls instead of catching the light. On a stem-design earbud, which sits more visibly than a rounded bud, that restraint matters more than it would otherwise.
Pale earbuds do need occasional attention: the silicone tips meet skin and pick up marks faster than black. They are removable and washable and spares come in the box, so it is upkeep rather than wear. Black avoids it entirely.
QuietComfort Ultra Earbuds White Smoke: Why the Stem Design Matters
The stem is not styling. It houses the microphones at a distance from the ear canal, which improves voice pickup on calls, and it gives your fingers a defined surface to operate rather than pressing a bud further into your ear.
It also makes them easier to insert and remove with one hand, which sounds trivial until you are holding a phone in the other.
Technical Specifications
- Model: Bose QuietComfort Ultra Earbuds (2023)
- Colour: White Smoke
- Type: In-ear true wireless, active noise cancelling, stem design
- Listening Modes: Quiet, Aware with ActiveSense, Immersion, plus Custom Modes in the app
- Signature Technologies: Bose Immersive Audio with Still and Motion settings, and CustomTune ear calibration
- Noise Control: Cancellation level adjustable directly, without switching modes
- Battery Life: Up to 6 hours, or up to 4 hours with Immersive Audio on
- Charging Case: Holds 3 additional full charges; a 20-minute charge adds up to 2 hours
- Wireless Charging: Not built into the standard case – available as a separate Bose accessory
- Water Resistance: IPX4, sweat and splash resistant
- Bluetooth: 5.3, range up to 9 m, with Snapdragon Sound and aptX Adaptive on compatible Android devices
- Fit: Nine combinations from three eartip sizes and three stability band sizes
- EQ: Three-band adjustment in the Bose app
- Weight: Approximately 6 g per earbud
- Released: 2023
- Warranty: 1-year warranty from Totot
FAQ – QuietComfort Ultra Earbuds White Smoke
Do I need an Android phone for the best sound?
Snapdragon Sound and aptX Adaptive require a compatible Android device. iPhones use AAC, which still sounds very good.
Which mode should I use on calls?
Aware Mode, so you hear your own voice and do not raise it unintentionally.
Is White Smoke a bright white?
No, a soft off-white with a grey cast. It photographs more calmly on video calls.
What is the stem actually for?
It positions the microphones away from the ear canal for clearer calls and gives a proper surface for touch controls.
Will the tips discolour?
They can with daily use. The silicone tips are removable and washable, and three sizes are included.
Does Totot deliver across the UAE?
Yes, QuietComfort Ultra Earbuds White Smoke We ship nationwide via Aramex for a fixed AED 10, with cash on delivery, Tabby and Tamara available at checkout.


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