Wellue O2Ring Oxygen Monitor with Vibration Reminder -Bluetooth O2 Pulse Oximeter Rechargeable, Continuous Recording of SpO2 & PR, Blood Oxygen Saturation Tracker with Free APP & PC Reports

All-day Monitoring: It may be used often tracking of blood oxygen level, pulse rate and body motion for the whole day. (Up to 16 hours).
Smart Readings Reminder: If the O2 level is less than the preset threshold and heart rate is lower or higher than the preset threshold, the device and the APP will vibrate and mark it in the report.
Detailed APP & PC Reports: Free APP & PC software provides graphic O2, PR report and trends of data. Unlimited sharing of PDF and CSV reports. APP compatible with iOS 9.0 or above, iPhone 4s/ iPad 3 or above, Android 5.0 or above, with Bluetooth 4.0 BLE.
Built-in Memory: O2ring device stores four groups of 10-hour data.When the device is hooked up to the APP by way of Bluetooth, the data will be uploaded automatically.
User Friendly: The O2ring runs automatically when you wear it.The patented comfortable soft silicon sensor ring is light and convenient. It is suitable for customers with a finger perimeter of 2-3.2 inch, kind of the size of an adult finger.
Rechargeable: Long battery life. It may be used for up to 12-16 hours after fully charged.
With an one-year warranty, a wide variety of suggestions and comments are welcome, we can try our best to provide you with a solution that satisfies you.
NOTE: It is not a medical device. This device is for Sports and Aviation use only and not intended for medical use.