1Sale offers Wellue O2ring Oxygen Finger Monitor for Sleep/Sport | Continuously Tracks Oxygen Level & Heart Rate| Vibration Alarm| FreeAPP & PC Software for $135.55 (orig. $179.99) +Free Shipping

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This is a patented sports oxygen monitor, using a unique design, fashionable and elegant, lighter than traditional oxygen monitors, making it possible for you to monitor your oxygen condition anytime, anywhere, this product is equipped with upgraded measurement technology, smaller error value, suitable for daily life, continuously tracking the trend of your body movement. The size is adjustable for all adults, suitable for indoor activities and outdoor sports. This is also great gift for your family and friends to make life smarter, healthier and easier!

• Superior Sensitivity and Reading Accuracy -- With intelligent SOC chip, CE certified, the accuracy is maintained within 2%. Free your hands and do what you want without any burden.
• AUTOMATIC CONTINUOUS MEASUREMENT -- When you wear it, it will automatically measure your body movement continuously. The data will be displayed on the screen in about 5 seconds. Rechargeable battery lasts for 12-16 hours.
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• COMFORTABLE WEARING EXPERIENCE -- Soft silicone material is very comfortable to wear all night long. Wearable circumference for most adults is 2.0 inches to 3.2 inches. Weighs only 15 grams, making it comfortable to wear.
• REAL-TIME MONITORING AND DATA -- During measurement, turn on your phone's Bluetooth and connect the APP to your device to view your measurement data in real time. You can store 4 sets of 10 hours of data, giving you a deeper understanding of your body.
• DATA ANALYSIS -- On the historical data page, you will see a very detailed data display, you can zoom in and out of the data, and you can also accurately view the SpO2 and R data per second.