Well being and Health Monitoring with the Withings ScanWatch

Yao Ming

The promise of a wise watch is great, however there are specific limitations to those gadgets which have made them lower than good: their tiny display makes them difficult to make use of and their battery life is proscribed.

So, why not personal a watch that tells time, displays your well being utilizing sensors that should be subsequent to your pores and skin, acts as a health tracker, has nice battery life, and leaves the remainder to the sensible telephone that you’re going to carry anyway? With this in thoughts I attempted out the Withings ScanWatch, a hybrid sensible watch that comes with superior well being monitoring, health monitoring, and as much as 30 days of battery life.

Withings is a French know-how firm specializing within the growth and manufacture of well being know-how merchandise. It was based in 2008 and has places of work in France, United States, and Hong Kong. Its product line consists of sensible watches with well being sensors, sensible scales, blood stress displays, a sleep monitor, and even a non-contact thermometer. Nevertheless, Withings does rather more than simply design and promote these merchandise to customers. It additionally works to combine the info collected by their merchandise with medical professionals so physicians can higher handle their affected person’s well being.

Withings ScanWatch Well being Monitoring

The ScanWatch is Withings most superior wearable well being machine. First, it’s a clinically validated coronary heart well being monitor. It may carry out an on-demand electrocardiogram (ECG), tracks the wearer’s coronary heart price each second throughout a exercise to optimize coaching, measures blood oxygen saturation and displays each day and nighttime coronary heart charges.

The ScanWatch consists of electrodes on the again of the watch in addition to an electrode within the metallic ring across the watch face. When the wearer locations a finger on the metallic ring, electrodes measure {the electrical} exercise of the guts within the type of an ECG.withings

Whereas, an ECG in a physician’s workplace is measured utilizing 12 wires (leads) linked to totally different elements of an individual’s physique, the ScanWatch is known as a “single lead” ECG because it simply measures {the electrical} exercise of the guts between the wrist the place the watch is being worn and the wearer’s different hand that’s rested on the watch in touch with the ScanWatch’s outer ring. Clearly, the info collected by the ScanWatch is rather more restricted than what could be collected by a 12 lead ECG in a physician’s workplace. For instance, the ScanWatch can’t detect a coronary heart assault.

The ScanWatch’s ECG can detect indicators of atrial fibrillation (A-fib), which is an irregular and sometimes very fast coronary heart rhythm (arrhythmia) that may result in blood clots within the coronary heart. A-fib will increase the danger of stroke, coronary heart failure, and different heart-related problems.”

A-Fib is usually not recognized in individuals as a result of it could come and go. So, the flexibility to seize an ECG at any time when the wearer feels any signal of their coronary heart beating irregularly might help diagnose this concern in a short time.

The ScanWatch additionally features a multi-wavelength PPG sensor to measure blood oxygen saturation (SpO2) from the wearer’s wrist in solely 30 seconds. A standard blood oxygen saturation degree is between 95% and 100%. Nevertheless, it may be considerably impacted by lung illness or COVID-19.

At night time the ScanWatch can carry out a respiratory wellness scan that features measurements of coronary heart price, coronary heart rhythm, respiratory price, respiratory effort, and oxygen saturation all through the night time to offer an entire mapping of the wearer’s sleep sample. The ScanWatch additionally measures the cycles of a wearer’s sleep utilizing knowledge from an accelerometer constructed into the ScanWatch. Combining this knowledge, the ScanWatch can detect respiration disturbances that may impair your capability to sleep correctly in your physique to get well throughout the night time.

As well as, the ScanWatch will observe your sleep cycles and supply a cumulative sleep rating primarily based on these cycles, length, regularity, and disruptions. The sleep rating supplies the wearer with a simple to grasp metric of their sleep high quality every night time.

All the above has been validated in a number of scientific research. Actually, the ScanWatch has been cleared by the U.S. Meals and Drug Administration (FDA) for its oximetry and ECG options.

Withings ScanWatch Exercise Monitoring

The ScanWatch additionally supplies the options individuals want to trace their exercise, monitor their train periods, and to attain their health objectives. First, the ScanWatch can routinely detect whether or not you’re strolling, operating, or collaborating in as much as 30 totally different actions. Scanwatch run

The ScanWatch will use GPS knowledge from the wearer’s sensible telephone to map the train session, together with the length, distance, tempo, elevation, and energy burned. All of this knowledge is offered within the Withings Well being Mate app or could be built-in with companion apps, together with Apple Well being, Google Match, MyFitnessPal, and RunKeeper.

Lastly, the ScanWatch will assess your health degree primarily based on an estimate of your maximal oxygen consumption (VO2 Max). Wikipedia defines VO2 Max as “(maximal oxygen consumption, maximal oxygen uptake or maximal cardio capability) is the utmost price of oxygen consumption measured throughout incremental train; that’s, train of accelerating depth.”

Palms on with the Withings ScanWatch

The Withings ScanWatch is packaged in a easy cardboard field and comes with a gentle material journey case, magnetic charging cable, elastomer sport wrist band, fast set up information, and ScanWatch data information.

After charging the ScanWatch, I went by means of the method of including the ScanWatch to the free Withings Well being Mate App that I had already put in on my telephone from prior critiques I’ve performed of different Withings merchandise. The app instantly detected the watch and stepped me by means of the method of:

  • Pairing the machine with my telephone
  • Deciding on which member of the family configured within the app who can be utilizing the ScanWatch
  • Performing a firmware replace on the ScanWatch
  • Mechanically setting the time on the ScanWatch by shifting the arms to the right time

Lastly, the watch walked me by means of a collection of tutorials on the operation of the watch, together with taking my first ECG and measuring my blood oxygen saturation.

The face of the ScanWatch resembles a normal analog watch, however there are some important variations. First, you by no means must set the watch by turning the watch’s crown. As an alternative the arms are totally motorized and can routinely transfer to the right time.

Second, on many commonplace watches there’s small round face with a single hand that counts down the seconds. The ScanWatch consists of this identical small round face with a single hand on the decrease half of the watch’s face. Nevertheless, as a substitute of counting off the seconds, it measures your progress towards your each day train objective.

Lastly, there’s a small, round, digital show within the higher half of the watch face. This face is activated by urgent the crown of the watch. When the crown is first pressed, the show exhibits the present time, day, and date. Then, whenever you flip the crown, it steps by means of the totally different capabilities accessible together with:

  • Displaying your final measured coronary heart price
  • Displaying the variety of steps that you’ve taken that day
  • Displaying the variety of miles traveled
  • Displaying the altitude gained because the variety of flooring you have got climbed
  • Performs an ECG
  • Measures your blood oxygen saturation (SPO2)
  • Triggers the beginning of a exercise and the choice of the kind of exercise that you can be performing. Optionally, a exercise could be triggered by an extended press of the crown.
  • Guides your respiration from one to 5 minutes permitting you to refocus and calm down
  • Turns the alarm on/off or prompts the stopwatch
  • Switches to Settings, the place you’ll be able to view the battery life, flip do-not-disturb on/off, “Quicklook” on/off (means that you can routinely flip the show of the watch on whenever you increase your wrist), Palms on/off (routinely strikes the watch arms to the ten:10 clock place when the show is activated so that they don’t block the consumer’s view of the show)
  • Energy burned

The above checklist of capabilities could be personalized utilizing the Withings Well being Mate app. You possibly can re-order the gadgets within the checklist or take away gadgets you don’t need displayed.

ECG Measurement

As described above, an ECG is the measurement of {the electrical} exercise of the guts. Taking your ECG with the ScanWatch may be very easy.

  1. Choose the ECG perform by urgent the crown
  2. Flip the crown till ECG is displayed on the ScanWatch show
  3. Press the crown to start the ECG measurement
  4. Calm down
  5. Place your hand throughout the face of the watch so it’s in touch with the outer metallic ring of the ScanWatch however leaving sufficient room so you’ll be able to nonetheless see the show
  6. The show will depend down 30 seconds because it collects knowledge on {the electrical} exercise of your coronary heart
  7. When accomplished, the show will let you know in case your ECG is regular, exhibits A-Fib, or if the ScanWatch was unable to precisely gather knowledge; presumably since you had been shifting an excessive amount of throughout the knowledge assortment course of

Utilizing the Withings Well being Mate app, you’ll be able to then replay your complete ECG, share the ECG as a PDF with a medical skilled, or share an entire well being report primarily based on all the info collected by the ScanWatch as a PDF with a medical skilled.

Blood Oxygen Saturation Measurement

Measuring your blood oxygen saturation with the ScanWatch is, once more, quite simple.

  1. Choose the SPO2 perform by urgent the crown
  2. Flip the crown till SPO2 is displayed on the ScanWatch show
  3. Press the crown to start the SPO2 measurement
  4. Calm down
  5. Place your hand throughout the face of the watch so it’s in touch with the outer metallic ring of the ScanWatch however leaving sufficient room so you’ll be able to nonetheless see the show
  6. The show will depend down 30 seconds because it collects knowledge
  7. When full the show will show your blood saturation, let you know whether it is regular, and show your coronary heart price.

Blood oxygen saturation measurements are built-in into the sleep monitoring and health monitoring capabilities of the ScanWatch.

Sleep Monitoring

The Withings ScanWatch routinely tracks your sleep at night time. The data collected could be seen within the Withings Well being Mate app.

First, and foremost, a sleep rating is calculated primarily based on the opposite knowledge collected by the ScanWatch. The sleep rating supplies an intuitive manner for a consumer to shortly perceive the standard of their sleep. The sleep rating is predicated on 4 metrics

  1. The full time spent sleeping
  2. The consistency within the instances you go to mattress and rise up
  3. The period of time you spent in deep, restorative sleep
  4. The time you spent awake throughout the night time

As well as, the Well being Mate app supplies data on:

  • Respiration disturbances, together with loud night breathing
  • A graph of your coronary heart price all through the night time

Respiration disturbances are detected by means of the ScanWatch’s movement sensor, measurements of blood oxygen degree, and pulse price measurements throughout the night time.Sleep tracking

The Withings app means that you can observe your sleep coronary heart price over time as it’s an indicator of your total cardiovascular health and well being. Within the Well being Mate app, you’ll be able to view graphs of your coronary heart price on a nightly, quarterly, or yearly foundation. The app can even show whether or not your sleep coronary heart price is trending upwards or downwards.

Health Monitoring

One other essential function of the ScanWatch is health monitoring. The ScanWatch consists of presets for monitoring 41 totally different types of train together with, operating, swimming (the ScanWatch is waterproof at depths as much as 50 meters), biking, strolling, climbing, weightlifting, yoga, pilates, tennis, soccer, and golf.

Testing the health monitoring capabilities of the ScanWatch proved to be a problem. A 30,000-plus acre wildfire lower than an hour drive from my house turned our usually pristine air right into a haze of smoke. With air high quality readings within the hazardous vary, my regular exercise of mountain biking turned out of the query. Whereas the indoor air high quality was higher, it nonetheless wasn’t ok that I needed to work out. Lastly, the wind shifted, and the air high quality improved sufficient, for a couple of hours, to go on a mountain bike journey.

First, I attempted the ScanWatch’s automated exercise detection function. This didn’t work in addition to I might have preferred. The ScanWatch is marketed as having the ability to detect 13 totally different actions together with strolling, biking, tennis, and dance. What I discovered was that the ScanWatch would ultimately detect that I used to be biking. Nevertheless it took fairly a while for it to do that and a good portion of the info from my exercise wasn’t captured.

After giving it some thought, I noticed that there was little distinction between my biking down the road on a motorcycle with my arms on the handlebars and driving down the identical road with my arms on the steering wheel of my automotive. The one actual distinction can be that my coronary heart price can be elevated on the bike. With this in thoughts, I understood the problem of routinely detecting that I used to be biking. I used to be rather more profitable after I merely triggered the beginning of the exercise utilizing the crown on the ScanWatch with the ScanWatch show.

In the course of the journey I may optimize the standard of information collected by pausing the exercise at any time when I finished using and restarting after I continued. That is simply completed by merely urgent the crown and deciding on the displayed pause image adopted by deciding on the play image to proceed with the journey. Equally, you press the crown and choose the cease image if you find yourself completed.

With the ScanWatch linked to my sensible telephone’s GPS by means of Bluetooth, the ScanWatch captured the route of my journey and a map of it was displayed within the Withings Well being Mate app. As well as, within the app I may view:

  • Length of my journey
  • Miles traveled
  • Common pace
  • Most pace
  • Energy burned
  • Common coronary heart price
  • A graph of my pace and elevation adjustments over the course of the journey
  • A graph of my coronary heart price all through the length of the journey
  • A graph exhibiting the period of time my coronary heart price was in several zones (peak, intense, reasonable, and lightweight)

The app additionally permits the consumer to connect pictures to the exercise session and kind in notes. Lastly, there’s the flexibility to set a weekly objective for my biking exercise.

For operating and strolling exercises when the ScanWatch is linked to a wise telephone for GPS monitoring, a calculation of VO2 max is carried out and accessible within the Well being Mate app. Within the app, the VO2 max worth is labeled as the person’s “Health Degree.”

VO2 Max is the utmost price that your physique can use oxygen throughout train. The worth is a mix of health and genetics. People can enhance their capability to soak up oxygen by means of train and coaching. Nevertheless, skilled athletes, such because the cyclists that compete within the Tour de France, have VO2 max ranges which are past the capabilities of the common individual.

The one different problem I encountered utilizing the ScanWatch throughout the bike journey is that, with out my studying glasses, I discovered it troublesome to function the exercise capabilities on the watch given the dimensions of the show. It isn’t a matter of in case you are ultimately going to crash when mountain biking, it’s only a matter of when. Due to this, and the very fact I solely want glasses for studying, I select to not put on costly prescription glasses when using. As an alternative, I simply put on cheaper, over-the-counter sun shades.

The ScanWatch could be configured so a press-and-hold of the crown routinely switches the watch to the exercise selector. With this configured, and a while to memorize the sequence of steps turning and urgent the crown to start out a biking exercise, I count on it received’t be arduous to beat this drawback. The pause, play, and cease symbols are sufficiently big that I can see these with out my glasses.

General, the ScanWatch supplies the consumer with a substantial amount of well being knowledge associated to a exercise.


The Withings Well being Mate app affords a variety of options and likewise integrates with different Withings merchandise, together with their line of sensible scales and their blood stress gauge. Nevertheless, for individuals who wish to use different well being and health apps, Withings affords integration with a variety of different well-liked apps together with, however not restricted to, Apple Well being, Google Match, IFTTT, Strava, MyFitness Pal, Nest, RunKeeper, Fitbit, and WebMD.

As well as, Withings has an open API (utility programming interface) to permit anybody with software program growth expertise to write down their very own software program that leverages their well being knowledge.

Different Options

The ScanWatch could be configured to vibrate in response to notifications from a variety of apps. For instance, I configured the ScanWatch to vibrate in response to textual content messages, telephone calls, and notifications from Pushover, which I exploit to obtain notifications from my sensible house. The ScanWatch would even show textual content messages and the brief textual content from Pushover notifications telling me, for instance, that my garments dryer had completed drying my garments.

The ScanWatch can wake you up on the optimum time, primarily based in your schedule and sleep cycle. After deciding on the time that your alarm clock would usually go off, the ScanWatch will select the very best time to wake you up — utilizing a lightweight vibration — inside 20 minutes of your regular wakeup time, primarily based on the stage of sleep that you’re in.

The ScanWatch can optionally be configured to vibrate when it detects lengthy intervals of inactivity to assist the wearer keep, and enhance, their health.


The Withings ScanWatch appears to be like like a traditional analog watch; not a wise watch.  It’s accessible in a width of both 38mm or 42mm. The 38mm ScanWatch is offered with a white or black face and a refined silver case. The 38mm ScanWatch can be accessible with a white or blue face and a refined gold case. The 42mm ScanWatch is offered with a black or white face and a brushed silver case. Whereas the black round digital show stands out on the white face of the ScanWatch, it blends in with the black face and an informal observer would don’t know you had been carrying a wise watch. ScanWatch

All kinds of non-obligatory bands will also be bought for a ScanWatch together with a wide range of totally different silicone bands, leather-based bands, recycled woven P.E.T material bands, mesh metallic bands, and linked metallic bands.

Lastly, the ScanWatch has a sapphire glass crystal. This is similar type of glass that’s used on high-end watches, together with these from Rolex.

Withings additionally affords the ScanWatch Horizon. The Horizon is a premium model of the ScanWatch with a rotating bezel, heavy obligation, machined chrome steel case, linked metallic watch band, and is waterproof to 100 meters. It additionally comes with a five-year guarantee.


The Withings ScanWatch is a really well-designed software for monitoring your well being and health. The blood oximetry and ECG measurement capabilities are FDA permitted, and the watch has gone by means of intensive scientific trials. Leveraging these capabilities for health monitoring, sleep monitoring, and A-Fib detection provides actual worth to a consumer. As well as, the 30-day battery life units it aside in comfort in comparison with a wise watch.

Even with these superior options, the ScanWatch is straightforward to make use of and the Heath Mate app supplies intensive assist capabilities that enable an individual and not using a medical background to make use of the product.

From a usability standpoint, I solely have one minor grievance. I do want that the arms on the ScanWatch glowed in the dead of night to help you simply learn the time at night time. You possibly can press the crown to show the date and time on the ScanWatch’s small show. However, with out my studying glasses, that actually doesn’t assist. If the arms and hour markers glowed, it might tackle this concern and make a superb product even higher.

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