LONGLU Smart Ring - Heart Rate Blood Oxygen Sleep Monitor

Tracking Features Automatically records daily steps, calories burned and workout distance. Real-time measurement of blood oxygen saturation (SpO2) and heart rate measurement. Analysis of sleep phases (deep/light sleep/wakefulness) with assessment of sleep quality. Compatible with Apple Health and WeChat Sports. Features: Operation method: APP control National language: multilingual Double standard water protection (IP68+5ATM) for swimming and showering without taking it off. Magnetic charging with 3-day battery life (1.5 hours charging). Compatible with Android 5.0+ and iOS 10.0+. Weight: 2.8g Charging: Magnetic charging Support for FOTA updates Usage Scenarios Health management, fitness tracking, business gifts, holiday gifts (Christmas, Mother's Day, Anniversaries). Contents of the 1 x Smart Ring 1 x Magnetic Charging Cable 1 x user manual (multilingual, including Italian)