You may recognize Withings as a former part of Nokia Health within Nokia Technologies. Renowned for its smartwatches, Withings now unveils the second iteration of the popular ScanWatch. The ScanWatch 2 is a 42mm wide cutting-edge hybrid smartwatch equipped with state-of-the-art technology, including continuous body temperature tracking. Its extraordinary 30-day battery life ensures you can confidently track your health around the clock.

These are ScanWatch2’s key features:

  • 30-day rechargeable battery
  • Sapphire glass
  • Water-resistant up to 5ATM
  • HealthSense™ OS 3
  • Grayscale OLED screen

The impressive battery lasts for 30 days, enabling proactive health tracking through advanced sensors and regulatory-compliant health metrics. This smartwatch provides data on your body activity, heart health, sleep patterns, respiratory health, and menstrual health.

The Withings app seamlessly gathers all this information, offering a comprehensive health overview. ScanWatch 2 proudly showcases Withings’ exclusive TempTech24/7 Module, integrating a state-of-the-art multi-wavelength PPG and upgraded software. This innovation transforms daily health monitoring, continuously tracking vital health metrics and promptly alerting you to any deviations.

Remarkably, for the first time, a health wearable provides uninterrupted temperature monitoring, day and night. This groundbreaking feature can detect early signs of illness, proving invaluable for optimizing performance and recovery during workouts.

With its pioneering miniaturized heat-flux sensor, temperature sensor, and precise calibration of heart rate and accelerometer inputs, ScanWatch 2 delivers the gold standard in body temperature assessment.

While you sleep, it diligently detects breathing irregularities, assesses oxygen levels, and provides comprehensive health insights. Every morning, you’ll awaken to your Sleep Quality Score, allowing for a deeper dive into your data.

As part of the latest generation of our hybrid smartwatches, ScanWatch 2 harnesses the power of our cutting-edge Health Sense™ Software and an extensive sensor array, offering heightened metrics and unparalleled accuracy. Furthermore, it boasts a new Grayscale OLED screen, enhancing readability without compromising the exceptional 30-day battery life.

The watch isn’t cheap. It will set you back € 349.95. However, if you order it, the shipping is free. There is also a 30-day trial, and in case you keep it, the warranty lasts for 2 years.

There is also a light version of ScanWatch2 which is cheaper at € 249.95 but it comes without ECG, SPO2, and Temp tracking sensors. It is a basic tracker in a 37mm case that will let you know your heart rate, sleep time, and step counts, and it looks good.

Now if only Huawei didn’t leak the specs of its GT4 watch which will beat ScanWatch 2 in every detail (except battery life and maybe design)… I don’t get it why Withings doesn’t want to bring GPS to the game… I know it would lower the battery life, but then you wouldn’t need to run with your phone.


Let me just recap the basic tracking features and hardware specifications.

Tracking features

24/7 Temp tracking

  • Baseline variation of temp day & night
  • Temperature zones during a workout
  • Awake temperature zones
  • Recovery temp after workout
  • Heart health

ECG – AFib detection*

  • Daily heart rate
  • Overnight heart rate
  • High & low heart rate notifications
  • Irregular rhythm notifications**
  • Overnight heart rate variability**
  • Sleep parameters

Sleep quality score

  • Sleep stages (deep, light)
  • Sleep duration
  • Interruptions
  • Regularity
  • Respiratory insights


Blood oxygen levels: on-demand & nighttime average

  • Respiratory rate
  • Breathing disturbances tracking
  • Activity tracking

Heart rate zones during workout

  • Recovery HR after workout
  • Fitness Level via VO2 max estimation
  • Active minutes
  • Steps
  • Calories burned
  • Connected GPS: distance, pace & elevation
  • Elevation: meters & floors
  • Cycle tracking

Cycle phases

  • Period log
  • Cycle length
  • Cycle symptoms log
  • Period flow log
  • Calories burned
  • Mood & feelings log
  • Symptoms & flow trends


Hardware specifications

Weight & Dimensions

  • Dimensions: 38mm or 42mm
  • Weight (without wristband): 34.6gr (38mm), 52.6gr (42mm)

Screen display

  • Grayscale OLED display
  • 14504 px, 282 PPI, 0.63″
  • 16-bit grayscale


  • Stainless steel case
  • Sapphire glass
  • Stainless steel crown


  • TempTech24/7 Module
  • High Dynamic Range Accelerometer
  • Multi-wavelength PPG 16 channels
  • Altimeter

Water resistance


  • 30-day battery life
  • Charging time: 2 hours
  • Docking station (USB-C compatible)


  • Bluetooth Low Energy
  • Withings App
  • Available on: App Store (iOS), Google Play Store (Android)
  • Withings App Web dashboard

Withings ScanWatch2

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