Samsung Galaxy SM-R640 Headset True Wireless Stereo (TWS) In-ear Calls/Music Bluetooth Black

Samsung

Samsung Galaxy SM-R640 Headset True Wireless Stereo (TWS) In-ear Calls/Music Bluetooth Black

Name: Samsung Galaxy SM-R640 Headset True Wireless Stereo (TWS) In-ear Calls/Music Bluetooth Black
Brand: Samsung

IP57 rated, active noise cancellation, 22h talk time

Manufacturer reference SM-R640NZKAEUE

Colour Black

Black
White

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

No offer in stock on the GB market yet.

What the Samsung Galaxy SM-R640 Headset True Wireless Stereo (TWS) In-ear Calls/Music Bluetooth Black is worth

The Samsung Galaxy SM-R640 is a black True Wireless Stereo (TWS) in-ear headset, designed for calls and music, with an integrated microphone and USB Type-C charging port.

Its measurements show IP57 certification, active noise cancellation via 6 microphones, Bluetooth 6.1 with A2DP, AVRCP, HFP, PBP and TMAP profiles, plus an accelerometer, gyroscope and position sensor. Continuous audio playback reaches 6h per earbud (ANC on) or 7h (ANC off), extended to 26h or 30h with the charging case, whose battery is rated at 530 mAh. Talk time ranges from 4.5h to 5h per earbud, up to 22h with the case. Each earbud weighs 5.1 g with a height of 30.9 mm.

These specifications suit daily mixed use for calls and music, with attention to durability (IP57) and ambient noise reduction.

Kalyneo compares offers from several merchants for this model and tracks its price history over time.

What the spec sheet says

Black 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

Documents

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

Brochure Samsung SM-R640NZKAEUE PDF 136.8 KB Document in Français

Specifications

Performance 11

Product type Headset

Wearing style In-ear

Recommended usage Calls/Music

Headset type Binaural

Product colour Black

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 1

USB Type-C charging port Yes

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.

Continuous playback lasts 6h with ANC on and 7h with ANC off. With the charging case, this reaches 26h (ANC on) or 30h (ANC off). Talk time with the case reaches 22h.

The headset features active noise cancellation. Talk time is 4.5h with ANC on versus 5h with ANC off.