1. All Products
  2. Smartwatch
  3. Samsung R860NZKAXAA 40mm Smartwatch

Samsung R860NZKAXAA 40mm Smartwatch

Samsung R860NZKAXAA 40mm Smartwatch
Brand: Samsung
Category: Smartwatch

Our Rating

The overall rating is based on review by our experts

8.8 4.4 1
  • Battery life 9 / 10
  • Overall performance 9 / 10
  • Value for money 8 / 10
  • Tech Support 9 / 10

Samsung Black Galaxy Watch 4 40mm Bluetooth Smartwatch – SM-R860NZKAXAA




Connectivity Wi-Fi 802.11 b/g/n 2.4GHz and 5GHz, Bluetooth 5.0
Activity Tracker Yes
Battery Life Up to 40 hours
Battery Capacity (mAh) 247
Bluetooth 5.0
Built-In Speaker Yes
Cellular No
Charging Method Wireless Charging
Device Model Samsung Galaxy Watch 4
Display Resolution 396 x 396
Operating System Wear OS
Sensors Acc (32g), gyro, barometer, ambient light, compass, optical heart rate sensor (8pd), electrical heart sensor (ECG), BIA
Storage Capacity 16GB
Touch Screen Yes
Wi-Fi Type 802 11b/g/n


Case Color Black
Case Material Aluminum
Case Size (mm) 40


Band Color Black


Height (in) 1.59
Width (in) 1.55
Display Size (in) 1.19
Thickness (in) 0.38


Shipping Weight (lbs.) 1
Unit Weight (lbs.) 0.06


Samsung R860NZKAXAA 40mm Smartwatch Price in United States


  • Crush workouts and all your health goals with Samsung Galaxy Watch4. Be your best with the watch that knows you best.


  • Better sleep starts here
    Manage your overall sleep quality for a great night’s sleep with an advanced tracker that calculates your sleep score.1,2,3
  • Be smart about your heart
    Be smart about your heart with ECG Monitoring that gives accurate readings.4,5,6
  • Make every workout count
    Make the most of every workout with Auto Workout Tracking. Stay motivated by connecting to live coaching sessions via your smartphone or to dynamic Group Challenges with your friends.7
  • Go the extra mile
    Make the most out of every mile with Advanced Run Coaching and VO² max readings to assess your cardio levels.8,9
  • Do more, right from your wrist
    Galaxy Watch4 works as an extension of your phone so you can talk, stream and text from your wrist on the go.10
  • The power of Google right on your wrist11
    Tap into the power and convenience of select Google services and apps on your wrist.12
  • Timeless design. Elevated style.
    Show off your style with a luxurious and timeless watch design that’s great for any occasion. Personalize your look even more with a range of stylish watch faces and bands.13
  • Go farther when you work out together
    Get moving and motivated with your family and friends. Join the fitness fun with activities and challenges designed just for groups.
  • The watch that’s got your back
    Get peace of mind while on the go with Trip Detection that sends an SOS to your emergency contact in the event of a hard fall.14
  • Wellness starts with what you know
    Galaxy Watch4 helps women build a deeper connection with their bodies and their health by helping to log and track fertility windows, ovulation cycles, and periods.
  • A world of healthy insights tailored just for you
    Samsung Health helps you stay on top of your health, your goals, and upcoming fitness needs.
  • Tap. Pay. Go.
    Make purchases on the go without your wallet with Samsung Pay or Google Pay on your wrist.15 16
  • Discover a Galaxy of connected possibilities
    Tap into a Galaxy of possibilities with effortless connectivity between all your connected Samsung devices.
  • Manage home away from home
    Cooldown the house as you cool down from your workout with a tap of your wrist.17


  • 1 The Spo2 measurement software is not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or prevention of disease.
  • 2 The snoring measurement requires a smartphone with Android 6.0 or later, 1.5GB of RAM, phone within 2 feet of the user, with snore detection enabled through Samsung Health app version 6.18 or higher.
  • 3 Requires Samsung Health app version 6.18 to view history.
  • 4 For clinical trial results concerning the accuracy of the ECG monitor, visit https://www.samsung.com/us/
  • 5 The ECG Monitor app is not intended to replace traditional methods of diagnosis or treatment and is for information purposes only. The ECG Monitor app is not intended for users with known arrhythmias other than atrial fibrillation or users under 22 years old. Users should not interpret or take clinical action based
    on the device without consultation of a qualified healthcare professional.
  • 6 Requires Samsung Galaxy Smartphone with Android 7 or later and Samsung Health Monitor app (available only at the Samsung Galaxy app store).
  • 7 Water-resistant up to 50 meters per ISO standard 22810:2010. Not intended for scuba diving. Avoid excessive, sudden temperature changes and high-velocity activities. Rinse in fresh water / dry after use in seawater or chlorinated water.
  • 8 Accurate VO, max reading requires running outdoors for at least 20 minutes with GPS on; consult user manual before use.
  • 9 The VO2 max software functions are not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or prevention of disease.
  • 10 Compatible with select Bluetooth-capable smartphones running Android 6.0 or higher and RAM above 1.5GB. Galaxy Watch Series supported features may vary by carrier and a compatible device. For a list of compatible smartphones and features, please visit https://www.samsung.com/global/galaxy/galaxy-
    watch/device-compatibility. For best results, connect with compatible Samsung Galaxy smartphones.
  • 11 Google is a trademark of Google LLC.
  • 12 Google, Google Assistant, and YouTube Music are trademarks of Google LLC.
  • 13 Select interchangeable watch bands sold separately.
  • 14 Trip detection measurement software is not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or prevention of disease.Trip Detection recognizes falls
    when engaged in dynamic motion, not when still. Requires network connection to notify emergency contacts. GPS accuracy may be affected by obstructions to satellite signals such as buildings.
  • 15 Samsung Pay is not available on iOS smartphones. After initial setup, Samsung Pay on Galaxy Watch4 can make at least five transactions without reconnecting to a network. Samsung Pay on Galaxy requires network connection through LTE or Wi-Fi or via Bluetooth pairing with a compatible smartphones. Samsung Pay on Galaxy Watch4 is only compatible with select cards, carriers and Samsung devices, and non-Samsung Android phones. Samsung Pay on Galaxy Watch4 is compatible only with NFC-
    type payment terminals.
  • 16 Google Pay is a trademark of Google LLC.
  • 17 Requires a smartphone with the SmartThings app and a Wi-Fi or Bluetooth connection. Compatible smart devices must be initially set up in the SmartThings app.


Scroll to Top