Best Continuous Oxygen Monitor Watch in 2025
Updated on July 2025
#1
Recommended
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- Continuous health monitoring with a fifth-generation optical sensor, tracking heart rate, blood pressure, blood oxygen, stress, and sleep quality for detailed health management.
- More than 100 sports modes available, including 12 preset modes for activities like running and swimming, with automatic recognition for accurate fitness tracking.
- 1.99-inch AMOLED display with high resolution and brightness, supporting over 100 customizable watch faces for a personalized look.
- 3ATM waterproof design suitable for swimming and resistant to rain and sweat, featuring dustproof construction for durability in daily use.
- Impressive battery life of 10-12 days on a full charge; fast charging capability provides a full day's use in just 10 minutes.
- Bluetooth 5.3 technology ensures a stable connection; compatible with Android and iOS, supports voice assistants for added convenience.
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- Continuous health monitoring with a fifth-generation optical sensor, tracking heart rate, blood pressure, blood oxygen, stress, and sleep quality for detailed health management.
- More than 100 sports modes available, including 12 preset modes for activities like running and swimming, with automatic recognition for accurate fitness tracking.
- 1.99-inch AMOLED display with high resolution and brightness, supporting over 100 customizable watch faces for a personalized look.
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#2
Value for Money
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- Lightweight aluminum design offers durability for workouts and a clear 1.97" AMOLED display for visibility in sunlight.
- Tracks over 140 activities, including HYROX Race and Strength Training, with features like personalized coaching and 50m water resistance.
- Boasts a battery life of up to 14 days, eliminating the need for nightly charging during training and recovery.
- Features accurate GPS tracking and navigation with downloadable maps, supported by 5 satellite systems for precise movement tracking.
- Provides continuous monitoring of heart rate, sleep, blood oxygen, and stress levels, delivering insights to enhance health and fitness.
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- Lightweight aluminum design offers durability for workouts and a clear 1.97" AMOLED display for visibility in sunlight.
- Tracks over 140 activities, including HYROX Race and Strength Training, with features like personalized coaching and 50m water resistance.
- Boasts a battery life of up to 14 days, eliminating the need for nightly charging during training and recovery.
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#3
13% Off
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- 1000mAh battery supports up to 30 days of use and 100 days standby with a short 2.5-hour charge.
- Make and receive calls with HD clarity directly from the watch, along with notifications for SMS and popular apps; requires FitCloudPro app for setup.
- Monitors heart rate and sleep patterns, providing insights on deep, light, and REM sleep, with potential accuracy variations based on sleep timing.
- Includes over 120 sports modes and GPS tracking, with a 5ATM waterproof rating suitable for both swimming and outdoor activities.
- Features 300+ customizable dials, with a clear 1.85-inch touchscreen that adjusts brightness for different environments.
- Includes functionalities like music control, reminders, menstrual cycle tracking, and sedentary alerts, alongside responsive customer support.
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- 1000mAh battery supports up to 30 days of use and 100 days standby with a short 2.5-hour charge.
- Make and receive calls with HD clarity directly from the watch, along with notifications for SMS and popular apps; requires FitCloudPro app for setup.
- Monitors heart rate and sleep patterns, providing insights on deep, light, and REM sleep, with potential accuracy variations based on sleep timing.
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#4
31% Off
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- Slim fitness tracker with real-time monitoring of sleep, blood oxygen, heart rate, and blood pressure accessible via a connected app.
- Detailed analysis of sleep patterns including the duration of light and deep sleep, with silent alarm feature for discreet wake-up.
- Supports multiple sports activities, tracking calories burned, steps, distance, and speed with goal-setting functionality in the app.
- Receive and read notifications for calls and messages directly on your wrist, with caller identification for incoming calls.
- Offers lifestyle reminders such as sedentary alerts, hydration reminders, menstrual cycle tracking, and remote photo capture capabilities.
- 1.47" IP68 waterproof display with high-definition color touch screen and customizable watch faces.
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- Slim fitness tracker with real-time monitoring of sleep, blood oxygen, heart rate, and blood pressure accessible via a connected app.
- Detailed analysis of sleep patterns including the duration of light and deep sleep, with silent alarm feature for discreet wake-up.
- Supports multiple sports activities, tracking calories burned, steps, distance, and speed with goal-setting functionality in the app.
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#5
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- Ultra-HD 1.47-inch curved touch screen with over 150 customizable watch faces.
- Monitors heart rate, blood oxygen, and blood pressure; supports 24/7 tracking.
- Offers sleep analysis, including REM and deep sleep insights for better sleep habits.
- Tracks daily activities and over 120 sports modes with real-time fitness data.
- Notifies of incoming calls and messages with the option to read directly on the watch.
- Features weather updates, reminders, and remote camera controls for added convenience.
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- Ultra-HD 1.47-inch curved touch screen with over 150 customizable watch faces.
- Monitors heart rate, blood oxygen, and blood pressure; supports 24/7 tracking.
- Offers sleep analysis, including REM and deep sleep insights for better sleep habits.
- Tracks daily activities and over 120 sports modes with real-time fitness data.
- Notifies of incoming calls and messages with the option to read directly on the watch.
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#6
20% Off
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- Health metrics monitoring includes continuous heart rate, blood oxygen, blood pressure, and sleep stage tracking, accessible through a companion app.
- Supports 115+ sports modes and tracks daily activities like steps, distance, and calories to help meet fitness objectives.
- Receive notifications for calls and texts on the wrist, enabling users to manage communications without needing to check their phone.
- Includes reminders for hydration, sedentary time, and menstrual cycles, along with weather updates, music control, and a do-not-disturb function.
- Features a 1.47-inch HD color touchscreen for easy navigation and viewing, with customizable watch faces available in the app.
- Long battery life allows for 6-12 days of use, with waterproof rating suitable for various activities.
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- Health metrics monitoring includes continuous heart rate, blood oxygen, blood pressure, and sleep stage tracking, accessible through a companion app.
- Supports 115+ sports modes and tracks daily activities like steps, distance, and calories to help meet fitness objectives.
- Receive notifications for calls and texts on the wrist, enabling users to manage communications without needing to check their phone.
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#7
57% Off
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- Continuous health monitoring with heart rate, blood oxygen, blood pressure, and sleep tracking features.
- Supports over 115 sports modes and all-day activity tracking to aid in fitness goals.
- Receive call and message notifications directly on your wrist, with options to view caller details and manage communications.
- Includes reminders for hydration, sedentary behavior, and menstrual cycles, enhancing daily life organization.
- 1.47" HD full touch screen with customizable watch faces for a user-friendly experience.
- Long-lasting battery with IP68 waterproof rating for versatile use.
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- Continuous health monitoring with heart rate, blood oxygen, blood pressure, and sleep tracking features.
- Supports over 115 sports modes and all-day activity tracking to aid in fitness goals.
- Receive call and message notifications directly on your wrist, with options to view caller details and manage communications.
- Includes reminders for hydration, sedentary behavior, and menstrual cycles, enhancing daily life organization.
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#8
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- Make and receive calls directly from the smartwatch using the built-in microphone. Stay updated with SMS and app notifications from various platforms like Facebook and WhatsApp, while utilizing Alexa for hands-free voice commands.
- Advanced sensors monitor health metrics continuously, including heart rate, blood oxygen levels, sleep patterns, and stress levels. It also tracks menstrual cycles and offers detailed sleep quality analysis, helping users improve their lifestyle.
- Supports over 100 sports modes, accurately tracking daily activities such as steps, distance traveled, and calories burned. The smartwatch is IP68 waterproof, suitable for swimming and surface-level water exposure, but not recommended for hot or saltwater.
- Features a large 1.8" HD touch screen for an enhanced visual experience. Users can personalize watch faces with their favorite images and access tools like weather updates, music control, stress monitoring, and alarms.
- Battery capacity allows for up to 7 days of heavy usage or 12 days of regular use on a single charge, with a quick charging time of 1.5-2.5 hours and a standby time of 30 days to minimize the need for frequent recharging.
- Compatible with most smartphones using Bluetooth 5.0, including iOS and Android devices. Offers 24/7 customer support from a technical team ready to assist with any inquiries.
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- Make and receive calls directly from the smartwatch using the built-in microphone. Stay updated with SMS and app notifications from various platforms like Facebook and WhatsApp, while utilizing Alexa for hands-free voice commands.
- Advanced sensors monitor health metrics continuously, including heart rate, blood oxygen levels, sleep patterns, and stress levels. It also tracks menstrual cycles and offers detailed sleep quality analysis, helping users improve their lifestyle.
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#9
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- 24/7 health monitoring of heart rate and blood oxygen levels, with insights for adjusting health conditions.
- Automatically tracks steps, distance, and calories burned throughout the day for detailed activity analysis.
- Features a 1.1" AMOLED color touchscreen with customizable watch faces and the option to use personal photos as dials.
- Includes over 25 sports modes for various physical activities and saves the last 5 exercise records for effective training.
- Receives notifications from popular messaging apps and allows call alerts and rejections to stay connected without interruptions.
- Initial device activation requires charging; refer to the manual for comprehensive features and connect via 'Keep Health' app.
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- 24/7 health monitoring of heart rate and blood oxygen levels, with insights for adjusting health conditions.
- Automatically tracks steps, distance, and calories burned throughout the day for detailed activity analysis.
- Features a 1.1" AMOLED color touchscreen with customizable watch faces and the option to use personal photos as dials.
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#10
30% Off
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- Lightweight at only 20 grams for comfortable overnight wear.
- Continuously monitors blood oxygen saturation (SpO2) and heart rate throughout the night.
- Features a built-in recording function for overnight data collection, easily synced with the app in the morning.
- Intelligent app provides detailed second-by-second data analysis and generates comprehensive sleep reports with key metrics.
- Rechargeable lithium battery with a 12-hour lifespan; designed for sports and wellness tracking, not for medical diagnostics.
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- Lightweight at only 20 grams for comfortable overnight wear.
- Continuously monitors blood oxygen saturation (SpO2) and heart rate throughout the night.
- Features a built-in recording function for overnight data collection, easily synced with the app in the morning.
- Intelligent app provides detailed second-by-second data analysis and generates comprehensive sleep reports with key metrics.
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![Apple Watch Series 10 [GPS 42mm case] Smartwatch with Silver Aluminium Case with Denim Sport Band - S/M. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant](https://m.media-amazon.com/images/I/517IcWSWg0L._SL320_.jpg)
![Apple Watch Series 10 [GPS 42mm case] Smartwatch with Silver Aluminium Case with Denim Sport Band - S/M. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant](https://m.media-amazon.com/images/I/319VFIYEKkL._SL320_.jpg)
![Apple Watch Series 10 [GPS 42mm case] Smartwatch with Silver Aluminium Case with Denim Sport Band - S/M. Fitness Tracker, ECG App, Always-On Retina Display, Water Resistant](https://m.media-amazon.com/images/I/41VoARD5X0L._SL320_.jpg)
