Children Pulse Oximeter KidsO2 Ring, Continuous Kids O2 Sat Monitor Finger for Oxygen with Audible Reminder, Rechargeable Pulse Ox Tracking Child's Blood Oxygen Saturation Pulse Rate for 3~10 Years Old Kids, with App PC Chart Report About this item ?All-day Monitoring?Put on and start. Continuously Tracking your child's SPO2, PR, PI and body movement and output detailed analysis reports to give you a better understanding of your child's body status. ?Buzzer Warning?KidsO2 device and APP beep to remind you when your kids'oxygen level fall below the pre-set value. The threshold and volume can be adjusted freely in the APP.(Note: The APP reminder works only when your phone stayed in dashboard and not locked) ?Free iOS/ Android App PC?Sync the data to your smart phone or computer to view the overall trends via the graph. One-click sharing or exporting analysis reports in PDF/CSV. " ?Designed for Kids?Patented soft O2 ring sensor designed specifically for 3-10 year-old children is more convenient and won't fall off. Fits finger perimeter 1.7?- 1.9?/ 42-49mm. Oval shape with adorable star theme let the kids fall in love with it. ?Built-in Memory?Automatically record and store 4 groups of 10 hours of data in the oximeter, without the need to connect APP with Bluetooth every moment. ?Rechargeable Oximeter?Built-in eco-friendly lithium polymer battery. 2-3 hours full charge can be used for 14 hours. Comes with an USB charging cable. NOTE: It's not a medical device. This device is for Sports and Aviation use only and not intended for medical use.