The CMS50QB Pulse Oximeter is a high-performance fingertip oximeter designed to provide quick and accurate measurements of blood oxygen saturation (SpO₂) and pulse rate. It features a bright display for SpO₂, pulse rate, bar graph, and pulse waveform visualization, allowing users to easily assess oxygen and heart rate trends. The device includes a rechargeable battery with a built-in charging function for continuous use without frequent replacements. It automatically enters standby mode when not in use, conserving energy and prolonging battery life. Additional features include a low-battery indicator, automatic display direction adjustment, and configurable PR sound alerts for over-limit and low-power conditions. Compact, lightweight, and easy to operate, the CMS50QB is ideal for hospitals, clinics, homecare, and sports health monitoring.