Samsung Galaxy Buds3 FE (SM-R420) / Sony WF-C710N

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.

Sony WF-C710N: WF-C710N · Glass Blue (LZ); other colours share the same hardware

SpecificationSamsung Galaxy Buds3 FE (SM-R420)Sony WF-C710N
Release year20252025
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		—
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		—
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		IPX4

IPX4 protects against splashing water; the earbuds should not be submerged.

Sony
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		—
Type—True wireless in-ear earbuds, active noise cancelling Sony
Driver—5 mm Sony
Frequency response—20–20,000 Hz (Bluetooth, 44.1 kHz sampling) Sony
Battery (music)—Up to 8.5 hours with noise cancelling on, up to 12 hours with it off

The figures are for one charge of the earbuds; total time with the case is not listed on Sony's page.

Sony
Battery (calls)—Up to 4.5 hours (noise cancelling on or off) Sony
Charging time—Earbuds about 1.5 hours; case about 3.5 hours over USB

Wireless charging is not listed for the case.

Sony
Bluetooth—Bluetooth 5.3; 2.4 GHz, about 10 m effective range Sony
Codecs—SBC, AAC

There is no LDAC or aptX; AAC is a common codec that works well with iPhones and most Android phones.

Sony
Profiles—A2DP, AVRCP, HFP, HSP Sony
Multipoint—Multipoint supported

The earbuds stay connected to two devices at once, so a phone call can be answered while listening on a computer.

Sony
Ambient sound—Ambient Sound and Quick Attention modes; DSEE

Quick Attention lowers the music and lets outside sound in while a finger is held on the earbud. DSEE aims to restore high frequencies lost in compressed music.

Sony
Weight—About 5.2 g per earbud (with medium tips); case about 38 g Sony
Colours—Pink, blue (translucent Glass Blue), white, black Sony
In the box—Charging case, hybrid silicone ear tips, reference guide, USB cable Sony