Monitor your blood oxygen levels and pulse rate with precision using this Rechargeable Fingertip Pulse Oximeter. Featuring a vibrant two-color OLED screen, it offers four viewing directions and six display modes, allowing you to easily read your SpO2, Pulse Rate (PR), blood oxygen bar graph, and pulse waveform from any angle. Powered by a built-in lithium battery with convenient Type-C charging, it ensures you never have to buy replacement batteries. Complete with an easy-to-use operation menu for custom settings, a low-battery indicator, and a power-saving automatic shutdown feature, it is a highly accurate and durable tool for daily health monitoring