4PCS Cartridge Filter Replacement for Cartridge Filter Kit

Description The finger pulse oximeter is an economical and accurate method for detecting pulse rate and oxygen saturation by fingers. It also displays volume waveforms to ensure accuracy. The unique PI index effectively reflects the pulsatile blood flow, 130R blood oxygen has respiratory frequency monitoring function, 131R blood oxygen has sleep monitoring up to 8 hours data storage and data analysis functions, self-adjusting finger clips and simple one-button Designed for ease of operation. The screen has 5 levels of brightness adjustable, small size and easy to carry. Suitable for everyday use, measuring your health at any time. It is widely used in homes, hospitals, oxygen bars, sports care (used before and after exercise, not recommended during exercise), and community medical care. Suitable for high altitude tourism and mountaineering enthusiasts, patients (long-term home-grown patients or patients in emergency situations), elderly people over 60 years old, people who work more than 12 hours a day, athletes (professional sports training or sports enthusiasts), Confined environmental workers, etc. This product is not suitable for continuous monitoring of the patient.