The Wellue O2 Max Wrist Pulse Oximeter with Ring Sensor offers a 72-hour battery life, making it convenient for use at home or on the go. It features a digital display with Oximeter and App vibration and beep alerts for low O₂ levels and low/high pulse rate notifications. The pulse oximeter with probe is suitable for family medicine and comes with an adult finger probe. With Bluetooth connectivity, it can be used for various conditions such as snore, sleep apnea, pneumonia, COPD, and asthma. The device is CE certified and backed by a 1-year manufacturer warranty, making it a reliable option for monitoring blood oxygen levels.