Wellue O2Ring-S Oximeter

【Easy to Use】Wear to start. Accurately tracking of blood oxygen level, pulse rate and body motion for the whole day. Real-time readings display on the device. 【All-day Tracking】Extending battery life to 24 hours eliminates the need for frequent recharging, makes it easier to measure SPO2, PR and PI uninterrupted throughout the whole day. 【Enhanced Detection & Data Recording】Experience enhanced detection and data recording with our upgraded chip that samples data at 200Hz, providing up to 36,000 data sampling points per report. Device stores 4 sets of 10hr data & automatically syncs to the app for easy tracking. 【Vibration Reminder】If the SpO2 level is lower than the preset threshold and the heart rate is lower or higher than the preset threshold, the O2ringS vibrates and marks it in the report. You can set the threshold in the APP. 【Free PC Software & iOS/Android App】Easily view real-time SPO2 and pulse rate and automatically save them in the App. Keep and manage your reco