Product Features Wireless Real-Time Monitor: PI histogram on the dashboard helps you adjust the position to get the strongest singal. Oxylink and APP will beep when detect blood oxygen level drops lower than the threshold you pre-set. Wearable Oxygen Monitor: Soft ring sensor makes it comfortable and never goes off from your finger for...

Unique and patented ring sensor： Vibration provide an informative notification for your blood oxygen level due to blockage of your airway to prompt you to change sleep position to keep you airway open, without disturbing your sleep partner. Heart Rate Monitor: The heart rate monitor tells you how your un smooth breath causes your heart to overwork by increasing heartbeat....