Samsung Galaxy Buds3 (SM-R530) / Sennheiser ACCENTUM Plus Wireless

Samsung Galaxy Buds3 (SM-R530): Galaxy Buds3 (SM-R530), silver or white. The tipped Galaxy Buds3 Pro (SM-R630) with light blades and the 2025 Buds3 FE are separate models.

Sennheiser ACCENTUM Plus Wireless: ACCENTUM Plus Wireless around-ear wireless headphones; black (700176) and white (700177). The cheaper ACCENTUM Wireless and the higher-end MOMENTUM 4 are separate models.

SpecificationSamsung Galaxy Buds3 (SM-R530)Sennheiser ACCENTUM Plus Wireless
Release year20242024
DesignOpen-type stem earbuds without silicone tips; silver and white

The open design does not seal the ear canal, so it avoids a pressure feeling over long use but isolates less than tipped models. Fit varies with ear shape.

Samsung		—
Driver and microphones11 mm dynamic driver (one-way); 3 mics + voice pickup unit (VPU) per earbud

The VPU picks up the wearer’s voice through bone vibration to help separate speech in noisy calls.

Samsung		—
Noise cancellingActive noise cancelling (ANC) and ambient sound mode

ANC measures outside sound with microphones and produces an opposite wave to reduce steady hum; in an open design the effect is more limited than in sealed earbuds.

Samsung		Hybrid adaptive ANC; Transparency mode; automatic anti-wind mode

Hybrid ANC measures noise with microphones both outside and inside the earcup; the adaptive version changes the cancellation strength automatically with ambient noise. Transparency mode lets outside sound in with a touch.

Sennheiser
Sound qualityUHQ 24-bit/96 kHz, 24-bit Hi-Fi, 360 Audio with Direct Multi-Channel

UHQ (24-bit/96 kHz) only works on certain Galaxy phones and tablets with One UI 6.1.1 or later (S24, S23, Z Fold6/Flip6, Z Fold5/Flip5, Tab S9 series); 24-bit Hi-Fi needs One UI 4.0 or later. Other devices use AAC or SBC.

Samsung		—
Connectivity and codecsBluetooth 5.4, Auto Switch; SSC HiFi, SSC UHQ, AAC, SBC

Samsung Seamless Codec (SSC) is Samsung’s own codec for higher-resolution wireless audio with Samsung devices. Auto Switch moves the connection between signed-in Galaxy devices automatically.

Samsung		—
Controls and sensorsPinch and swipe (Force & Touch) controls; VPU, SWIR, accelerometer, Hall sensor

The SWIR infrared sensor detects whether an earbud is worn; the Hall sensor detects the case opening and closing.

Samsung		Touchpad on the right earcup; dedicated pairing button; Smart Pause when removed

Tap plays or pauses, sliding up and down sets volume, and swiping sideways skips tracks or answers calls.

Sennheiser
Battery lifeMusic: 5 hours ANC on (24 total with case), 6 hours ANC off (30 total); talk: 3.5 hours ANC on (18 total), 4 hours off (20 total)

These are Samsung’s internal tests with default settings paired to a Galaxy phone. Capacity is 48 mAh per earbud and 515 mAh in the case (typical).

Samsung		—
Water resistanceIP57 (earbuds only)

IP57 means dust-protected and resistant to brief immersion; the charging case is not covered.

Samsung		—
CompatibilityAndroid 10 or later with more than 1.5 GB of memory

Some features are not available on non-Samsung devices.

Samsung		—
Size and weightEarbud 18.1 × 20.4 × 31.9 mm, 4.7 g; case 58.9 × 48.7 × 24.4 mm, 46.5 g Samsung—
Type—Headband, around-the-ear (circum-aural) wireless headphones; fold flat

Sennheiser promises a light, ergonomic fit with a soft silicone inner headband and cushioned earcups; folded flat it measures about 16.5 × 19.5 × 4.8 cm.

Sennheiser
Driver—37 mm dynamic; 10 Hz–22 kHz; 106 dB SPL; THD below 0.3%

Sennheiser says the driver is mounted at an angle. Impedance is 560 ohms in active mode and 95 ohms in passive (wired, powered off) mode.

Sennheiser
Bluetooth and codecs—Bluetooth 5.2, class 1; SBC, AAC, aptX, aptX Adaptive; A2DP, AVRCP, HFP, HSP

aptX Adaptive is a Qualcomm codec that adjusts bitrate to link quality on compatible devices.

Sennheiser
Battery—800 mAh lithium-ion; up to 50 hours with ANC on; full charge about 3.5 hours; 5 hours from 10 minutes

Sennheiser measured the 50 hours with an iPhone at medium volume; charging is via USB-C at 5 V, up to 700 mA.

Sennheiser
Microphones—Two MEMS microphones with beamforming for noise reduction; 50 Hz–8 kHz Sennheiser
App—Sennheiser Smart Control (iOS and Android); 5-band equaliser, presets, Sound Personalization

Sound Personalization adjusts the sound to the user with a listening test developed with the Fraunhofer Institute.

Sennheiser
In the box—Headphones, USB-C charging cable, carry case, auxiliary (3.5 mm) audio cable, quick guide Sennheiser
Weight—227 g Sennheiser