STILEFIX Smart Ring for Women Men, Brand New Matte Scratch Resistant Design, Health & Fitness Tracker for Heart Rate, Blood Oxygen, Stress, Sleep and Steps, IP68 Waterproof, No

Size before purchasing: Before buying the STILEFIX smart ring, we recommend checking the size chart and measuring your finger circumference to ensure a more comfortable fit Highly efficient chip and free app: Powered by the advanced PAR2860 main chip and SC7A20H sensor, the ring allows continuous all-day monitoring with efficient battery performance and more accurate data output, all accessible via the free app Automatic Sleep Tracking The ring automatically monitors sleep from 8:00 pm to 9:00 am and records deep sleep, light sleep, REM and wake time. You can view detailed data in the app at any time and adjust your lifestyle based on insights Health monitoring: This slim and stylish ring tracks heart rate, blood oxygen, HRV and stress at regular intervals. It provides all-day health tracking and comprehensive wellness insights so you can better understand your own health condition 105 sports modes: supports running, walking, cycling, swimming, yoga, golf and more. It automatically tracks heart rate, calories, route and duration and syncs data after each workout with the app Battery life and compatibility: this intelligent ring charges fully in about 1 hour and offers 3-5 days of battery life. It supports Android 9.0+ and iOS 10.0+ systems, and comes with a charging case for convenient power on the go Matte and scratch-resistant design: high-quality matte surface with anti-scratch protection and a fingerprint resistant design. Ultra-thin 2mm profile provides comfortable all-day wear for workouts and everyday use Remote camera and care function: simply shake your finger to control the camera and capture special moments with friends and family at any time. It also supports the release mode for sharing health data with loved ones, which makes care easier and is a thoughtful gift