Bose QuietComfort Ultra Headphones (2nd Gen) / Samsung Galaxy Buds3 Pro

Bose QuietComfort Ultra Headphones (2nd Gen): QCUH2-HEADPHONEARN · second-generation over-ear Ultra

Samsung Galaxy Buds3 Pro: Galaxy Buds3 Pro, model SM-R630; Silver and White colours. The open-type Galaxy Buds3 (SM-R530) and the earlier Buds2 Pro are separate models.

SpecificationBose QuietComfort Ultra Headphones (2nd Gen)Samsung Galaxy Buds3 Pro
Release year20252024
LaunchAnnounced 10 September 2025; available from 2 October 2025 Bose—
Noise controlActive noise cancellation; Quiet and ambient-sound Aware modes BoseActive noise cancellation; adaptive ANC; Ambient sound; Voice Detect; Siren Detect

Siren Detect turns on ambient sound when a siren is heard nearby. Adaptive ANC and some AI features need a Samsung phone.

Samsung
WirelessBluetooth 5.4; multipoint connection to two devices

Bose quotes a 30 ft (about 9 m) range. On Snapdragon Sound sources, Gaming Mode uses aptX Adaptive.

Bose		—
Digital audioUSB-C; 24-bit / 48 kHz lossless audio support

The product page’s current FAQ says 16-bit, 44.1/48 kHz for USB audio; manufacturer sources disagree on bit depth.

Bose		—
Analog audio2.5 mm headphone input; included 3.5 mm–2.5 mm cable; headphones must be powered on Bose—
BatteryUp to 30 hours with ANC on and immersive audio off; 23 hours with immersive audio; 45 hours with both off

Manufacturer test figures; volume, settings and use affect runtime.

Bose		ANC on: 6 hours of music from the earbuds, 26 hours with the case; ANC off: 7 hours, 30 hours with the case; earbud 53 mAh, case 515 mAh

Talk time is 4.5 / 20 hours with ANC on and 5 / 22 hours with it off. The case supports wireless charging.

Samsung
ChargingUSB-C; up to 3 hours for a full charge; 15 minutes for up to 3 hours with ANC on Bose—
ControlsPower/Bluetooth and multifunction buttons; touch volume strip; wear detection Bose—
Weight and sizeHeadphones about 264 g; 4.5 × 16.0 × 20.5 cm

Manufacturer figures are 0.583 lb and 1.772 × 6.299 × 8.071 in; metric values are converted.

Bose		—
In the boxCarry case; 3.5–2.5 mm audio cable; 1 m USB-C to USB-C cable

No charging adapter in the box.

Bose		—
ModesQuiet, Aware, Immersion, Cinema; EQ and shortcuts in the Bose app Bose—
Water resistanceNo IP rating; avoid situations where the headphones may get wet BoseIP57 (earbuds, up to 1 metre of fresh water for up to 30 minutes); the charging case is not water resistant

Earbuds should be dried before going back into the case when wet or sweaty.

Samsung
PC calls8.2.20 and later: two-way PC audio over USB-C; app compatibility varies Bose—
Software 10.12.128 September 2026: LE Audio beta on compatible Android/Windows devices and improved USB calls Bose—
Bluetooth and codecs—Bluetooth 5.4; LE Audio; AAC, SBC, SSC and SSC UHQ (up to 24 bit/96 kHz)

SSC UHQ only works with the Galaxy S24, S23, Z Fold6, Z Flip6, Z Fold5, Z Flip5 and Tab S9 series on One UI 6.1.1 or later; other phones use AAC or SBC.

Samsung
Profiles—A2DP, AVRCP, HFP, PBP, TMAP

PBP and TMAP are broadcast and telephony/media profiles that come with LE Audio.

Samsung
Driver—Two-way speaker: planar tweeter plus a separate woofer, dual amplifier

Separate drivers for treble and bass let each focus on its own frequency range.

Samsung
Microphones and sensors—6 microphones; accelerometer, gyro, hall, pressure, proximity, touch and voice pickup unit (VPU) sensors; Super Wide Band calls

The VPU picks up bone vibration while you talk to help separate your voice from background noise.

Samsung
Audio features—360 Audio; Adaptive EQ

360 Audio uses head tracking to keep sound fixed in space; it needs One UI 3.1 or later.

Samsung
Size and weight—Earbud 18.1 × 19.8 × 33.2 mm, 5.4 g; case 48.7 × 58.9 × 24.4 mm, 46.5 g Samsung