No Smartphone or App Required: This smart watch doesn't require any App or smartphone connections! It's as simple to use as a regular watch but smarter. Perfect for seniors or anyone looking for an easy fitness tracker without the hassle of smartphone setups. Healthy Monitor on Your Wrist: The smartwatch monitors your heart rate in real time and you can view recorded data on the watch or App. Our watch also allows for manual detection of blood oxygen. Besides, the fitness watch tracks your sleep status automatically, including light sleep, deep sleep and awake time, helping you develop healthy sleep habits and improve sleep quality.