Features 1. Non invasive blood oxygen monitoring: This stylish oximeter is equipped with a high-performance accelerometer, which can accurately detect body movements and provide reliable and accurate blood oxygen and pulse measurement data without invasive operations. 2. Quick and easy testing: Simply insert your finger into the sensor and the results will be displayed on a clear OLED screen within seconds. Its intuitive design ensures easy health monitoring anytime, anywhere. 3. Universal size, suitable for all finger sizes: Thanks to the intelligent spring system, this device can easily adapt to various finger sizes of users aged 12 and above, ensuring comfort and accuracy in each measurement. 4. Portable and energy-saving design: This device is designed with low power consumption and automatic shutdown function, compact and lightweight, making it very suitable for active people. Equipped with detachable hanging ropes for easy carrying during outdoor activities. 5. Monitoring blood oxygen without puncturing: Using advanced non-invasive technology, real-time tracking of blood oxygen and pulse, and equipped with clear LED display screen - very suitable for sports enthusiasts such as mountaineering, skiing, and cycling, who need to obtain real-time and reliable health data during exercise. Specification Power supply mode: USB Specification: 52 * 31 * 31mm Package Include: 1 * Oximeter