Make calls directly on your wrist, eliminating the need to grab your phone. Benefit from improved connectivity with single-chip Bluetooth offering fast, stable connections and low battery consumption. Watch 4 Lite's health monitoring functions including Daily activities, Heart rate, Blood oxygen, Respiratory rate, Breath exercise, Pressure,and sleep status self-monitoring operates 24 hours a day, generating data feedback timely. Download the oraimo Health app for a better experience in managing your health. It can be used on mobile phones,