SAMSUNG 

SM-R640NZKAXAR SAMSUNG GALAXY BUDS4 PRO - BLACK

Mfg Part Number:  SM-R640NZKAXAR  
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Price: $257.09
Quantity:
More to Come
Last Updated: Mar 22, 2026
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Sound with exceptional detail and clarity

From small reverbs to subtle textures, catch details like never before with Hi-Res Audio on Galaxy Buds4 Pro.

Powerful sound for real music lovers

Enjoy every audio experience to the fullest with two speakers in each earbud, including a tweeter for rich highs and a woofer for deep, full lows.

Cancels noise. Adapts to your surroundings.

Wherever you go, Adaptive Active Noise Cancellation adjusts sound levels so you can immerse yourself in your favorite audio.

Calls so clear, it's stunning.

Enjoy clear phone calls with Galaxy Buds4 Pro and Galaxy S26 Series -they work together to deliver crisp and clear conversations.

Day and night. Fits just right.

Enjoy that just-right fit with an improved, ear-hugging design and changeable ear tips.

Switch instantly between Galaxy devices

Keep the beat across your Galaxy devices. Tune in a video on your Galaxy Tab, then seamlessly switch to take calls on your Galaxy phone.

Personal AI Translator in your ear

Hear translations hands-free through your Galaxy Buds4 Pro, when paired with your Galaxy S26 Series device.

Ask and AI will answer

Galaxy Buds4 Pro and Galaxy S26 Series work together seamlessly to give you AI help, completely hands-free. Get quick answers and real-time translations delivered straight to your ears -all you have to do is ask.

Commands that really use your head

No more "Yes, accept call." Take or decline calls easily by simply nodding or shaking your head.

Main Specification
General Information
Manufacturer Samsung
Manufacturer Part Number SM-R640NZKAXAR
Manufacturer Website Address http://www.samsung.com/us
Brand Name Samsung
Product Line Galaxy Buds4 Pro
Product Model SM-R640
Product Name Galaxy Buds4 Pro SM-R640 Earset
Packing Box
Product Type Earset
Technical Information
Connectivity Technology True Wireless
Wireless Technology Bluetooth
Bluetooth Standard Bluetooth 6.1
Sound Mode Stereo
Features Ultra High Quality Audio (UHQA) Technology
Features Voice Pick Up (VPU) Sensor
Features Hall Sensor
Features Acceleration Sensor
Features Pressure Sensor
Features Bluetooth LE Audio
Features Auto Switch
Features Proximity Sensor
Features Ambient Sound Mode
Features Equalizer
Features Hands-free
Features Gyroscope
Bluetooth Profiles TMAP
Bluetooth Profiles AVRCP
Bluetooth Profiles PBP
Bluetooth Profiles A2DP
Bluetooth Profiles HFP
Virtual Assistant Supported Bixby
Active Noise Canceling (ANC) Yes
Active Noise Canceling (ANC) Technology Adaptive
Charging Method Case
Hi-Res Audio Yes
AI-powered Yes
Battery Information
Battery Capacity 61 mAh
Battery Capacity (Charging Case) 530 mAh
Battery Talk Time (ANC on) 20 Hour
Battery Talk Time (ANC off) 22 Hour
Battery Rechargeable Yes
Earpiece
Earpiece Design Earbud
Earpiece Type Binaural
Microphone
Integrated Microphone Yes
Number of Microphones 6
Physical Characteristics
Color Family Black
Color Black
Durability Water Resistant
Form Factor In-ear
Height 1.2"
Width 0.7"
Depth 0.8"
Weight (Approximate) 0.36 oz
Charging Case Height 2.01"
Charging Case Width 1.11"
Charging Case Depth 2.01"
Charging Case Weight (Approximate) 1.56 oz
Earbud Weight (Approximate) 0.18 oz
Miscellaneous
Package Contents
  • Galaxy Buds4 Pro SM-R640 Earset
  • Charging Case
  • Ear Tips (3 sets: S/M/L)
Ingress Protection (IP) Rating IP57
Application/Usage Voice Call
Application/Usage Smartphone
Application/Usage Music
Compatibility

Samsung Products:

  • Galaxy S26 Series
  • Galaxy Tab
Operating System Platform Android
Warranty
Limited Warranty 12 Month
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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