The Beurer PO 40 is a compact and portable pulse oximeter that measures the oxygen saturation level in your blood and your pulse rate. It is a non-invasive device that clips onto your fingertip and provides accurate readings within seconds. The PO 40 is ideal for individuals with respiratory conditions such as asthma, COPD, or sleep apnea, as well as athletes who want to monitor their oxygen levels during exercise. With its easy-to-read display and simple one-button operation, the Beurer PO 40 is a reliable and convenient tool for monitoring your health and wellness. Protect your investment with our range of screen protectors designed specifically for the Beurer PO 40.