Duobuy Smart Ring - Heart Rate Blood Oxygen HRV

Introducing our sleek and versatile Smart Ring, designed for adults seeking a discreet yet powerful fitness tracker. This unisex wearable boasts a round, silver design with an analog display, perfect for all-day wear. Monitor your heart rate, blood oxygen, and blood pressure levels with ease, while tracking your steps, sleep, and various sports activities. Enjoy a wide range of supported applications, including fitness tracking, sleep monitoring, time display, alarms, reminders, weather, calendar, find my phone, and music player. The smart ring connects seamlessly via Bluetooth to your smartphone, compatible with all current iPhone models and Android devices. Its waterproof design ensures durability up to 1.5 meters, and a full charge takes just 1 hour. Comes with a USB cable and a limited warranty. No subscription fees apply.