Smart Ring Sleep Calories Multilingual Features: The double-layer aviation titanium alloy structure is comfortable to wear and has a slim texture. High-precision sensor for multi-dimensional measurement. IP68 women's inner wear for worry-free use. The device is designed for wireless charging, and the built-in battery stores power for easy portability when going out. It can charge the device independently. The slim design made of titanium alloy has an outstanding temperament. Product Description: Bluetooth: BLE5.0 Temperature sensor: NST112C level: IP68 Gravity sensor: MSA310 Standby time: 3~5 days sensor:HX3605 Charging : wireless charging (built-in battery compartment wireless charging base) Packaging accessories: smart ring + standard charging cable + instruction manual Looking for a Personalized Health Companion? - Whether You'Re Looking for a Sleep Ring or a Fitness Ring, You'Ve Got What You Need - this Smart Ring Makes it Possible to Quietly Track Your Sleep, Activity, Recovery and Stress in Style. Easy to Wear Everywhere - Each Ring Is Strong and Functional, Lighter than a Regular Ring, Non-Allergenic and Impervious to Water.It Comfortably and Accurately Monitors Your Health From Workouts to Nights Out. Designed to be More Accurate - Your Finger Provides Accurate Body Values, Making Your Health Data and Insights More Personalized than Ever. Sync with Your Favorite App for Seamless Integration with Multiple App, As Well As Giving it As a Gift! We Attach Great Importance to Product Quality and Customer Experience,If You Have Any Questions About the Product, Please Contact Us Customer Service,We Will Provide You with Satisfactory