https://www.creative-sz.com/products/lepu-pc-60nw-digital-fingertip-pulse-oximeter-wireless-bluetooth/ The Lepu PC60NW oximetro digital fingertip mini pulse oximeter has been approved by FDA, designed to measure SpO2 (blood oxygen saturation), pulse rate (PR), and PI (perfusion index) in adults and pediatrics/children/children with high accuracy and speed ) (optional child finger rubber probe) through the user's finger. Suitable for use in the home and institutional settings, clinics, community medical centers, alpine areas, and before and after exercise.