Description Color: Random Features 1. Adopt non-invasive detection technology to accurately measure blood oxygen saturation and pulse rate, safe and comfortable, especially suitable for the elderly, pregnant women and infants. 2. Lightweight and portable design, built-in high-precision sensor, monitor blood oxygen levels anytime and anywhere, ideal for outdoor sports, travel and home care. 3. Large screen digital display, clear and easy to understand readings, support multi-mode switching, low battery reminder function to ensure that the device is in the best condition at any time. 4. Passed multiple international certifications, with medical-grade accuracy, multiple operating systems, convenient for users to record and share health data. 5. long standby time, a single can be used continuously for more than 10 hours, with a thoughtful wrist strap design, stable wearing without slipping. Comments: 1. The manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to the differences between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. SKU color is the color of the product packaging Package includes: 1 * Portable blood oximeter