Samsung

Samsung Galaxy Buds4 Pro

Name: Samsung Galaxy Buds4 Pro
Brand: Samsung

IP57 rated, active noise cancelling, 22h talk time with case

Manufacturer reference SM-R640NZWAEUB

47 /100 Its best score: the best sound, rated "basic sound" on its category’s scale.

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1 merchant

offers it on this market

What the Samsung Galaxy Buds4 Pro is worth

The Samsung Galaxy SM-R640 is a True Wireless Stereo in-ear headset, designed for calls and music over Bluetooth 6.1, with built-in microphone and charging case.

Recorded measurements show an IP57 rating, active noise cancellation via 6 microphones, adaptive EQ, and motion sensors (accelerometer, gyroscope, position, proximity). Continuous audio playback reaches 6h with ANC on and 7h off, up to 26h or 30h with the 530 mAh charging case. Talk time ranges from 4.5h to 5h depending on ANC, totalling 22h with the case. Each earbud weighs 5.1 g, measuring 18.1 x 18.1 x 30.9 mm.

This product suits consumer users seeking compact earbuds with active noise cancellation, motion sensors, voice commands and USB type C charging, sold without a power adapter.

This page compares offers from several retailers for this model and displays its price history.

What the spec sheet says

White Calls/Music In-ear Headset
True Wireless Stereo (TWS) Bluetooth 6.1
Intraaural
Microphone type: Built-in

Its scores, criterion by criterion

Scores out of 100, calculated from the datasheet and compared with the market. The full method is public.

Sound quality Basic sound

11 mm · category median: 28 mm

Drivers Small

11 mm · category median: 32 mm

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Documents

What the manufacturer publishes about this model. Each document opens in a new tab.

Brochure Samsung SM-R640NZWAEUB PDF 125.1 KB Document in Français

Specifications

Performance 11

Product type Headset

Wearing style In-ear

Recommended usage Calls/Music

Headset type Binaural

Product colour White

Market segment Consumer

International Protection (IP) code IP57

Accelerometer Yes

Gyroscope Yes

Position sensor Yes

Adaptive EQ Yes

Ports & interfaces 4

Connectivity technology True Wireless Stereo (TWS)

Bluetooth Yes

Bluetooth profiles A2DP, AVRCP, HFP, PBP, TMAP

Bluetooth version 6.1

Headphones 5

Ear coupling Intraaural

Driver unit 1.1 cm

Number of drivers 2

Noise canceling Yes

Noise canceling type Active

Microphone 3

Microphone type Built-in

Number of microphones 6

MEMS (Micro-Electro-Mechanical System) microphone Yes

Battery 11

Battery operated Yes

Right earpiece battery capacity 61 mAh

Left earpiece battery capacity 61 mAh

Talk time (with charging case) 22 h

Battery capacity (charging case) 530 mAh

Continuous audio playback time (charging case/ANC on) 26 h

Continuous audio playback time (charging case/ANC off) 30 h

Continuous audio playback time (ANC on) 6 h

Continuous audio playback time (ANC off) 7 h

Talk time (ANC on) 4.5 h

Talk time (ANC off) 5 h

Weight & dimensions 8

Width 18.1 mm

Depth 18.1 mm

Height 30.9 mm

Weight 5.1 g

Left earpiece weight 5.1 g

Right earpiece weight 5.1 g

Charging case dimensions (W x D x H) 28.3 x 51 x 51 mm

Charging case weight 44.3 g

Packaging content 3

AC adapter included No

Charging case Yes

Charging case capacity 530 mAh

Power 3

USB Type-C charging port Yes

USB Type-C required charging power (min) 2.5 W

USB Type-C required charging power (max) 4.5 W

Other features 2

Proximity sensor Yes

Voice commands Yes

Who this model suits

It’s for you if

Your first criterion is the sound quality: it happens to be its best score.

You want a good score on the drivers, above its category average.

You prefer a model tracked across several merchants, to buy at the right time.

Skip it if

Its lowest score is on the drivers: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

Yes, they have an IP57 rating, which protects them against dust and water splashes.

With active noise cancellation on, expect up to 26h of audio playback and 22h of call time thanks to the charging case. Without ANC, audio playback reaches 30h.

The headset has 6 microphones and active noise cancellation. Talk time is 4.5h with ANC on and 5h with ANC off.