Galaxy Buds FE

Released October 2023.2 Last checked 23 October 2026.

Form factor: In-ear
ANC: Yes
Battery life: 9h
With case: 30h

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All specs

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General

Series: Galaxy Buds1
Model numbers: SM-R400N5
GTIN / EAN: Not available
Announced: 3 October 20232
Status: Not available
Predecessor: Not available
Successor: Samsung Galaxy Buds3 FE 15 16
Launch price (US): $99.992
Launch price (EU): Not available
Markets: DE, US2 6
Colours: Graphite, White1
Segment: Not available

Design

Form factor: In-ear2
Bud shape: Stemless2
Use one bud alone: Either bud5
RGB lighting: Not available

Drivers and sound

Drivers per bud: Type Diameter (mm) Count per earbud
Dynamic 6.5 1
Source8 14
Driver type: Dynamic8
Driver size: 6.5mm
Drivers per bud: 1
Diaphragm material: Not available
Frequency response: Min20 HzMax20 kHz9
Impedance: Not available
Sensitivity: Not available
Sensitivity reference: Not available
Max sample rate: Not available
Max bit depth: Not available
Adaptive EQ: Not available
Personalised sound: No8
Onboard EQ: Not available
Custom EQ bands: Not available
EQ presets: Bass Boost, Clear, Dynamic, Soft, Treble Boost4
Volume limit: Not available

Type	Diameter (mm)	Count per earbud
Dynamic	6.5	1

Spatial audio

Spatial audio: Not available
Head tracking: No10

Noise cancelling

Active noise cancelling: Yes1
ANC type: Not available
ANC microphones in both earbuds: Not available
Adaptive ANC: Not available
ANC levels: Not available
ANC attenuation (claimed): Not available
Transparency mode: Yes1
Adjustable transparency: Yes5
Automatic ANC and transparency blend: Not available
Conversation detection: Not available
Wind noise reduction: Not available

Measured

Frequency response notes (measured): Bass emphasis, relaxed upper mids and reduced upper treble in the stock tuning.12
Bass amount (measured): Not available
Treble amount (measured): Not available
Deviation from target (measured): Not available
Consistency between fittings (measured): Not available
Harmonic distortion (measured): Not available
Sound leakage (measured): Not available
Noise isolation (measured): Not available
Noise isolation, best (measured): Not available
Passive isolation (measured): Not available
Call quality notes (measured): RTINGS tests found limited vocal treble with strong suppression of surrounding noise.13
Mic low-frequency extension (measured): Not available
Mic high-frequency extension (measured): Not available
Mic speech-to-noise ratio (measured): Not available
Latency (measured): Not available
Bluetooth latency, worst (measured): Not available
2.4 GHz latency, worst (measured): Not available
Latency in game mode (measured): Not available
Battery life (measured): Hours (h)
4.63
Source4
Longest tested use per charge: 4.63h
Battery life with case (measured): Not available
Full charge time (measured): Not available
Weight per bud (measured): Not available

Hours (h)
4.63

Microphones and calls

Voice microphones in both earbuds: Not available
All microphones in both earbuds: 61 3
Bone conduction voice sensor: Not available
Mic noise reduction: AI3
Call audio bandwidth: Not available
Mic mute control: Not available
Sidetone: Yes5

Connectivity

Chip: Not available
Connections: Bluetooth1
Bluetooth: 5.21
Bluetooth codecs: AAC, SBC, Samsung Scalable Codec4
Bluetooth profiles: A2DP, AVRCP, HFP11
LE Audio: Not available
Auracast: Not available
Multipoint: No10
Multipoint devices: 19
Multipoint with LDAC: Not available
Paired devices remembered: Not available
Automatic switching between own devices: Yes1
Fast pairing: Not available
Audio sharing: Not available
Wireless range (claimed): 10m5
Wireless receiver: None10
Receiver connector: Not available
Simultaneous 2.4 GHz and Bluetooth audio: No10

Latency

Low latency mode: Yes5
Claimed latency: Not available
Lowest claimed latency: Not available

Compatibility

Platforms: Android, iOS, Windows1
Connection per platform: Platform Connection
Android Bluetooth
iOS Bluetooth
Windows Bluetooth
Source1
Features that need a specific device: Feature Needs
Auto Switch Supported Galaxy devices signed into the same Samsung Account. This is automatic switching, not simultaneous Bluetooth multipoint.
Galaxy Wearable settings Android 8 or later with at least 1.5 GB RAM. Advanced features can require Samsung Galaxy devices.
Live translation Translation is performed by a supported Galaxy S24, S24+ or S24 Ultra phone with Galaxy AI software. A network connection and Samsung Account are required. Some languages require a downloaded language package. The latest phone software update may be required.
Gaming mode Available only with a Samsung mobile device running Android. Enable it in Galaxy Wearable under Earbuds settings, then Labs.
Source1 3 5
Official licence: Not available

Platform	Connection
Android	Bluetooth
iOS	Bluetooth
Windows	Bluetooth

Feature	Needs
Auto Switch	Supported Galaxy devices signed into the same Samsung Account. This is automatic switching, not simultaneous Bluetooth multipoint.
Galaxy Wearable settings	Android 8 or later with at least 1.5 GB RAM. Advanced features can require Samsung Galaxy devices.
Live translation	Translation is performed by a supported Galaxy S24, S24+ or S24 Ultra phone with Galaxy AI software. A network connection and Samsung Account are required. Some languages require a downloaded language package. The latest phone software update may be required.
Gaming mode	Available only with a Samsung mobile device running Android. Enable it in Galaxy Wearable under Earbuds settings, then Labs.

Battery and charging

Battery per bud: 60mAh2 3
User-replaceable earbud battery: Not available
Claimed battery life: Mode Includes case recharges Hours (h)
ANC on No 6
ANC off No 9
ANC on Yes 21
ANC off Yes 30
Call No 4
Call Yes 14
Source1 2
Longest claimed use per charge: 9h
Playback per charge with ANC (claimed): 6h
Playback per charge without ANC (claimed): 9h
Total with case (claimed): 30h
Total with case and ANC (claimed): 21h
Talk time (claimed): 4h
Full charge time, buds: Not available
Charging guidance: Not available
Quick charge time: Not available
Earbud playback after quick charge: Not available

Mode	Includes case recharges	Hours (h)
ANC on	No	6
ANC off	No	9
ANC on	Yes	21
ANC off	Yes	30
Call	No	4
Call	Yes	14

Charging case

Case battery: 479mAh2 3
User-replaceable case battery: Not available
Case charging port: USB-C5
Case full charge time: Not available
Wireless charging: No1
Wireless standards: Not available
Wireless charging power: Not available
Speaker in case: Not available
Screen on case: Not available
Case works as audio transmitter: Not available

Controls

Controls: Touch5
Earbud volume control: Touch5
Gestures: Single touch to play or pause, Double touch for next track and answer or end calls, Triple touch for previous track, Touch and hold for the assigned feature5
Remappable controls: Yes5
Voice assistant: Bixby2 3

Sensors and health

In-ear detection: Yes5
Sensors: Hall sensor, Proximity sensor, Touch sensor3
Heart rate sensor: Not available
Skin temperature sensing: Not available
Hearing aid feature: Not available
Medical clearances: Not available
Hearing test: Not available
Hearing protection: Not available
Health features: Not available

Fit and durability

Ear tips included: S, M, L2 3
Ear tip materials: Silicone9
Stabilisers: Wing tips1
Ear tip fit test: Yes5
Dust and water rating, buds: IPX22
Dust and water rating, case: Not available
Water resistance depth: Not available

Software

Companion app: Galaxy Wearable5
App platforms: Android5
User firmware updates: Yes5
Finding network: Samsung Find2
Precision finding: Not available
Live translation: Yes3

Dimensions and weight

Front and side, drawn to scale.

Weight per bud: 5.8g(0.2 oz)1
Bud dimensions: Width17.3Height19.3Depth22.2mm(0.7 × 0.8 × 0.9 in)1
Case weight: 40.2g(1.4 oz)1
Case dimensions: Width50Height27.5Depth50mm(2 × 1.1 × 2 in)1

Certifications

Hi-Res Audio: Not available
Communication certifications: Not available
FCC IDs: A3LSMR400NL, A3LSMR400NR7
Other certifications: Not available

In the box

In the box: Galaxy Buds FE, Charging case, Ear tips (S, M, L), Wing tips (S/M, M/L), USB-C to USB-C cable, Quick Start Guide3
Cables included: Type Count
USB-C to USB-C cable 1
Source3