3-5 Second Reading with Accuracy: This fingertip pulse oximeter can quickly measure your blood oxygen saturation and pulse rate, ensuring reliable and accurate health tracking when needed. Large, High-Brightness LED Display: Features a large screen with high-intensity LED backlight, ensuring clear and easy reading for the elderly in any lighting—whether in dim conditions or bright sunlight. Button Free Design: This pulse oximeter features a smooth contour and seamless button free design, combining exquisite aesthetics with intuitive operation. The high-quality surface treatment and modern appearance make the oximeter an excellent gift for health conscious individuals. Efficient Type-C Power Management: This blood oxygen saturation monitor is equipped with a rechargeable battery that can reach full power within 1-2 hours of Type-C charging. The indicator light displays the charging status. Each charge can provide up to 5 hours of continuous operation, making it perfect for home or travel use while eliminating battery waste. Suitable for Adults, Designed Specifically for Exercise: This rechargeable pulse oximeter is lightweight and suitable for finger, making it your first choice for exercise and travel. It provides easy SpO₂ pulse monitoring for the entire home, seamlessly connecting health tracking from home to the next adventure. Oximeter, blood oxygen monitor, Pulse Oximeter with Rechargeable, Fingertip Pulse Oximeter C101B1;NOTE: this device is only used for sports and aviation purposes, not intended for medical purposes.