LIVIKEY Smart Watch, Fitness Tracker with Heart Rate Monitor, Blood Oxygen, Sleep Tracking, 41mm Smartwatch 5ATM Waterproof with Pedometer for Women Men Compatible with Android iPhone iOS
Heart Rate Monitoring and SpO2: Our smart watch monitors your heart rate in real time, and you can use the watch to manually detect your SpO2. Our smartwatch will also automatically track your sleep, record light sleep, deep sleep, and awake time, and ana