Samsung Galaxy Buds3 FE (SM-R420) / Samsung Galaxy Buds3 Pro

Samsung Galaxy Buds3 FE (SM-R420): Galaxy Buds3 FE, SM-R420 (2025); Black and Gray. Sealed in-ear design with silicone tips. The tipless semi-open Galaxy Buds3, the Buds3 Pro and the original 2023 Galaxy Buds FE are separate models.

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.

SpecificationSamsung Galaxy Buds3 FE (SM-R420)Samsung Galaxy Buds3 Pro
Release year20252024
Design and fitSealed in-ear design, silicone tips (three sizes), stem body; earbud 18.0 × 21.1 × 33.8 mm, 5 g (with M tip); case 58.9 × 48.7 × 24.4 mm, 41.8 g

Silicone tips seal the ear canal, blocking outside sound passively and helping bass sound fuller; if the tip does not seal, noise cancelling and bass both weaken.

Samsung		—
Driver and microphones1-way dynamic driver; 3 microphones per earbud Samsung—
Noise controlActive noise cancelling (ANC) and ambient sound

ANC uses microphones to detect outside sound and plays inverted sound to reduce steady noise such as engines and hum. Ambient sound lets you hear your surroundings without removing the earbuds. Adaptive ANC that adjusts to the environment is not listed for this model.

Samsung		Active 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
Connectivity and codecsBluetooth 5.4, Auto Switch; SSC (Samsung Seamless Codec), AAC, SBC

SSC is Samsung’s own codec for higher-quality audio with Galaxy devices; other phones use AAC or SBC. Auto Switch moves the connection automatically between Galaxy devices on the same account.

Samsung		—
BatteryEarbud 53 mAh, case 515 mAh (typical); music: 6 h / 24 h total with ANC on, 8.5 h / 30 h total with ANC off; talk: 4 h / 18 h total

Samsung’s times come from internal tests with pre-production units and default settings; rated capacity is 50 mAh per earbud and 500 mAh for the case. Real runtime depends on volume, codec and battery age.

Samsung		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
Sensors and controlsProximity, Hall, touch and pressure sensors; pinch/swipe controls on the stem Samsung—
Water resistanceIP54 (earbuds only)

IP54 means limited dust protection and resistance to splashing water from any direction; it is not suitable for submersion. The charging case is not protected.

Samsung		IP57 (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
CompatibilityAndroid 11 or later with more than 1.5 GB of RAM

Samsung notes some features may be unavailable on non-Samsung devices. Equaliser, ANC settings and AI features are managed in the Galaxy Wearable app or One UI settings.

Samsung		—
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