Samsung Buds 3FE R420

The Samsung Galaxy Buds 3 FE (SM-R420), launched in late 2025, represents a significant design evolution for the “Fan Edition” series.

Moving away from the rounded wingtip design of the original Buds FE, the R420 adopts the modern “Blade” (stem)

aesthetic found in the flagship Buds 3 series while retaining the silicone ear tips that users prefer for superior noise isolation.

Feature	Specification
Model Code	SM-R420
Design Type	In-Ear with Stem (Blade Design)
Speaker	1-Way Dynamic Driver (11mm)
Microphones	6 Mics (3 per earbud) with DNN (Deep Neural Network)
Connectivity	Bluetooth v5.4
Noise Control	Enhanced Active Noise Cancellation (ANC) & Ambient Sound
Special Audio	360 Audio (Spatial Sound)
Controls	Pinch and Swipe (on the stem)
AI Integration	Gemini Support & Real-time Interpreter
Water Resistance	IP54 (Dust and Splash resistant)
Earbud Weight	5.0g

Component	Capacity / Runtime
Earbud Battery	53 mAh
Case Battery	515 mAh
Music Time (ANC On)	Up to 6 Hours (24 Hours total with case)
Music Time (ANC Off)	Up to 8.5 Hours (30 Hours total with case)
Talk Time	Up to 4 Hours (18 Hours total with case)
Charging Port	USB Type-C

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