The HealthTree fingertip pulse oximeter is a accurate for measuring oxygen saturation, pulse rate, and perfusion index. It features Bluetooth functionality, allowing you to connect it to your phone. The measured data can be stored on your phone, and when you need to share the data, you can either print it out or directly share it with your family or friends. It is a convenient oximeter to have.At the same time, You can set the desired range for your oxygen saturation and pulse rate on your phone. If the measured values exceed the set range, your phone will emit an alert sound. The HealthTree fingertip pulse oximeter is an ideal choice for sports activities, hiking, and for individuals who need to monitor their blood oxygen levels and heart rate. It provides accurate measurements within 5 seconds, and its one-touch operation makes it easy to use. The oximete is made of ABS material, while the fingertip clip is made of soft and user-friendly silicone material. The fingertip pulse oximeter also comes with a lanyard for easy portability.