The Smart Heart Ring with Mobile App is a sleek and stylish wearable device that tracks your heart rate, blood oxygen, and provides data on your exercise and sleep patterns. It is powered by a lithium polymer battery with a long battery life of more than 7 days. The ring is compatible with Android 8.0 and iOS 14 and above, and can be connected to your devices via Bluetooth. The compact size and steel material make it durable and suitable for both indoor and outdoor activities, with a focus on running and jogging. This unisex activity tracker is designed to help you monitor your health and fitness with ease. This is an open-box item but has not been used.
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