Hand-held pulse oximeters have become valuable tools in the medical industry, providing a convenient and non-invasive method to measure oxygen saturation levels in patients. However, it is important to acknowledge that these devices, like any other technology, have their limitations. Understanding these limitations and knowing what to look for when purchasing a hand-held pulse oximeter is crucial to ensure accurate and reliable readings. In this article, we will explore the limitations of hand-held pulse oximeters, discuss key factors to consider when choosing one, and introduce UTrueMed’s hand-held pulse oximeter as an ideal choice for users.