LONGLU Smart Ring - Heart Rate Blood Oxygen IP68 Waterproof

Tracking Functions Automatically record daily steps, calories burned and workout distance. Real-time measurement of blood oxygen saturation (SpO2) and heart rate measurement. Sleep phase analysis (deep/light sleep/wakefulness) with sleep quality assessment. Compatible with Apple Health and WeChat Sports Features: Operation method: APP control National language: multilingual Dual water protection standard (IP68+5ATM) for swimming and showering without having to detach Magnetic charging with 3 days 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: 1 x Smart Ring 1 x Magnetic Charging Cable 1 x user manual (Multilingual, including Italian.)