The Withings ScanWatch is a hybrid smartwatch designed for comprehensive health monitoring, combining traditional watch aesthetics with advanced medical-grade sensors. It offers a range of features for tracking heart health, sleep, and physical activity, providing users with valuable insights that can be shared with healthcare professionals.
Function Description
The ScanWatch is a hybrid smartwatch equipped with an ECG (electrocardiogram), heart rate monitor, and oximeter. It is designed to proactively detect and notify users of potential health conditions such as atrial fibrillation (AFib), low and high heart rates, and breathing disturbances during sleep. The device features a PMOLED screen, three electrodes, an altimeter, and a multi-wavelength PPG sensor, all housed within a stainless steel case protected by sapphire glass.
The core functions of the ScanWatch include:
- Heart Health Monitoring: It provides proactive atrial fibrillation, low, and high heart rate notifications. Users can take a medical-grade electrocardiogram on their wrist in 30 seconds by placing a hand on the watch to create a closed electrical circuit with their arms and chest. The ECG results are analyzed for atrial fibrillation detection and heart rate state (low or high), which can indicate bradycardia or tachycardia.
- Oxygen Saturation (SpO2) Monitoring: The watch measures medical-grade oxygen saturation levels using its multi-wavelength PPG sensor. Users can initiate an SpO2 measurement by navigating to the SpO2 option in the menu and placing their fingers on the front electrode for 30 seconds. The results indicate whether oxygen saturation is normal, below average, or low, with guidance on when to consult a doctor.
- Breathing Disturbances Detection: The ScanWatch can monitor oxygen saturation throughout the night to detect breathing disturbances, which may be associated with apneic episodes. This feature, called Respiratory Scan, builds a complete map of the user's night, measuring heart rate, heart rate variability, respiratory rate, and oxygen saturation level.
- Sleep Analysis: The watch offers in-depth sleep analysis, providing a "Sleep Score" out of 100 points. It tracks time spent awake, duration of light and deep sleep cycles, total time asleep, number of wake-ups, sleep regularity, sleep heart rate, and atrial fibrillation detection during sleep.
- Activity Tracking: The ScanWatch automatically tracks various activities, including walking, running, swimming, and biking. It also recognizes over 30 additional activities like tennis, basketball, and dance. For activities not automatically recognized, the app prompts the user to confirm the sport for manual assignment, allowing the watch to learn and detect these activities in the future. Multi-sport tracking includes continuous heart rate monitoring, Connected GPS, and Fitness Level assessment.
- Altimeter: An embedded altimeter counts floors climbed, encouraging users to improve their health.
Usage Features
The ScanWatch is designed for ease of use and integration into daily life.
- Digital Crown Navigation: By pressing the digital crown, users can scroll through various data points such as date, heart rate, steps, distance, calories burned, and elevation. It also allows launching measurements (SpO2, ECG, workout mode), receiving notifications, accessing alarms, timers, and stopwatches, and adjusting settings.
- Health Mate App Integration: The ScanWatch connects to the free Health Mate app, available for iOS and Android. This application is central to managing health data, providing detailed information on electrocardiograms, oxygen saturation levels, breathing disturbances, sleep stages, steps, floors climbed, and a timeline of activities. It also offers personalized advice based on vital parameters.
- Automatic Synchronization: Once connected via Bluetooth LE, the ScanWatch automatically synchronizes data with the Health Mate app, ensuring all trends and data are readily available. The app offers unlimited data storage.
- Notifications: The watch displays call, text, calendar, and app notifications. It also provides heartbeat notifications directly on the watch and smartphone, with a full history viewable in the Health Mate app.
- Smart Wake-Up: This feature allows users to set a window before their usual wake-up time. The ScanWatch will then wake them with a silent vibration during this interval when their sleep is lightest, optimizing the wake-up experience.
- Quicklook: When the user raises their arm to look at the ScanWatch, the screen automatically turns on. This functionality can be activated or deactivated in the watch's settings.
- Workout Mode: Users can select from over 30 activities in workout mode. This activates continuous heart rate tracking, Connected GPS, and Fitness Level assessment during activities like running. Workouts can be paused and resumed directly on the watch, and a summary showing duration, calories burned, and elevation is available afterward.
- Connected GPS: When engaged in distance-based activities with a smartphone, Connected GPS tracks the route on a map in Health Mate and displays additional metrics like pace and distance in real-time. Bluetooth and location settings on the smartphone must be enabled for this feature.
- Water Resistance: The ScanWatch is water resistant up to 50m (5ATM), making it suitable for swimming and other water-based activities.
Maintenance Features
The ScanWatch is designed for durability and user convenience.
- Rechargeable Battery: The watch boasts a rechargeable battery with an exceptional life of up to 30 days, reducing the frequency of charging. However, intensive features like the "Always On" Respiratory Scan mode will significantly reduce battery life.
- Customizable Bands: The wristband can be easily customized thanks to quick-release spring bars. The ScanWatch comes with a premium FKM watch band, and users can choose from a wide selection of colorful silicone and premium leather bands available on the Withings webstore.
- Data Sharing: Users can generate a PDF health report from the Health Mate app by tapping "Preview and share report." This report, designed for health professionals, gathers essential information and can be sent to a healthcare provider for diagnosis and consultation.
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