IP68 waterproof, Bluetooth, rechargeble, smart ring(SR08)

1. Unrivaled Water Resistance: IP68 certified, perfect for diving, snorkeling, and any water activity. 2. Crystal-Clear Display: Features a durable stainless steel display with a ten-screen interface, providing instant access to your key metrics like time, steps, heart rate, blood oxygen, and sleep data. 3.Track your sleep quality in detail and monitor your heart rate and blood oxygen levels throughout the day, with in-depth data analysis and trend reports available via the app.