HPLSZCN NFC Smart Ring - 24/7 Heart Rate Monitor IP68 Swimproof

Smart Ring, Size First, Health Ring No App Subscription, Heart Rate, Blood Oxygen, Fitness Monitor, Sleep Tracker, Women’s Health, Up to 7-Day Battery, Smart Rings for Men/Women

SIZE BEFORE YOU BUY - Step one, take string and wrapit around your finger; After straightening the line, usea ruler to measure and selectaccording to specifications

ACCURACY - SMART SENSING - Smart Ring tracks kinds of biometrics, including sleep, activity, stress, heart health, and women’s health metrics. Health Ring is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night

LONG LASTING BATTERY - With up to 5-7 days of battery life, no screens and no vibrations, Smart Rings let you focus on the present. From a workout to a night out - 3.6g, stainless steel case, sleek and comfortable, you'll forget it's on. Until you start getting compliments

DESIGNED FOR 24/7 WEAR - The updated design of the Smart Rings is more comfortable, fits better than ever, and is 10ATM water resistant. Without touching the phone, you can shake thering to take a picture and easily capture everywonderful moment

TRACK YOUR HEART HEALTH RIGHT FROM YOUR FINGER: Get a closer read on your body than ever before with improved Heart Rate Tracking and Blood Oxygen from smart rings; It filters out your body’s movement for a more precise reading

LOOKING FOR THE BEST HEALTH TRACKER? - Whether you’re searching for a sleep ring or fitness ring — this revolutionary smart ring that allows you to discreetly track your sleep, activity, health, recovery and stress — in style