Specifications Hign-concerned Chemical:None Waterproof Grade:10ATM Model Number:Smart Ring Display screen:No NFC Support:No Activity Tracked:Activity Tracker,Steps Tracker,Distance Tracker,Calorie Tracker Metrics measured:Heart Rate Monitor,Sleep Monitor,Blood Oxygen Monitor Certification:ce,FCC Features Excellent waterproof performance Waterproof grade: 10ATM waterproof, it can be easily dealt with whether it is daily hand washing, showering or swimming, without worrying about damage to water inlet. Accurate health monitoring Heart rate monitoring: Using HX3918 heart rate sensor, APP starts heart rate test, dynamic heart rate trend and data analysis, and the heart rate historical data are clear at a glance. Static heart rate is more than 95% accuracy (compared to lab heart rate band tests), allowing you to keep an eye on your heart health at all times. Sleep monitoring: Accurate sleep algorithm, sleep coach reminder, sleep assist audio, powerful sleep assist functions to help you improve your sleep quality. Blood oxygen monitoring: The APP starts blood oxygen test, continuous blood oxygen data and historical blood oxygen data records, allowing you to keep abreast of your blood oxygen levels at any time. Sports monitoring: Self-developed ring accurate step algorithm, with an accuracy rate of more than 95% (compared with Garmin sports watches). Supports multiple exercise modes, regular exercise GPS tracking, accurately record distance, calories and steps, helping you exercise scientifically. Convenient operation and intelligent functions Touchless and no button design: the ring itself does not have any touch or buttons. All functions and motion tests are activated through the APP, which is simple and beautiful, and easy to operate. Mobile phone control: Support remote control of mobile phone photography, control mobile phone playback, pause, and switch videos through specific gestures, like and collect short videos (to be launched soon), making your phone more convenient to operate. Body fatigue analysis: Multi-dimensional analysis of exercise data, heart rate data and sleep data, calculate body fatigue status, and help you arrange rest and exercise reasonably. Other functions: Support unit format settings, sitting reminder, low battery reminder, heart rate warning, and can also connect to WeChat exercise and Apple health to protect your health in all aspects. Long battery life and fast charging Battery type: Use polymer pure cobalt battery, battery capacity is 15mAh-20mAh (optional), charging time only takes 1 hour, theoretical standby time is up to 12-15 days, normal use time can reach 5-7 days, magnetic charging/charging box (optional), charging is more convenient. Product Specifications Weight: about 3.5g Color: silver, gold, black Bluetooth version: 5.3 Charging time: 1 hour Theoretical standby time: 12 days-15 days Use time: Used in dynamic scenarios: 5 days-7 days Charging: magnetic charging Operating temperature range: -20-50 Size: #7(17.4mm) #8(18.2mm) #9(19.0mm) #10(19.9mm) #11(20.7mm) #12(21.5mm) Compatibility: Compatible with Android 5.0 and above; Apple iOS 10.0 and above, adapted to mainstream smartphone systems. Software support: Suitable for LuckRing APP, powerful functions and convenient operation. Purchase suggestions Size selection: It is recommended that you choose the appropriate size according to the thickness of your fingers. If you are not sure about the size, you can consult customer service for more accurate suggestions. Color matching: Choose colors according to your personal preferences and daily wear style. Silver is fashionable and versatile, gold shows luxury, and black shows more calmness. Functional experience: Download the LuckRing APP to experience all the functions of the ring, so that technology can protect your healthy life. smart ring, , anillo hombre, anillos, rings, zikr ring, ring, rings for man, tenis hombres, anillos de mujer, ropa hombre, smart ring 2025, smartring, ring smart, anillo inteligente, , , anillo, oura ring, vibration, , bague connecte, , rings for woman, anillos para hombres, , bague connecte homme, , sport, , bague hommes, , estuche, comoda, iqibla zikr ring, bague, qring, fitness ring, anel masculino, , anillos de pareja, smart ring nfc, , , novedades tecnolgicas 20..., neuheiten produkte 2025, electronica y tecnologa, anel, , , smart rings, anel inteligente, roupas masculinas, , nuevo en anillos, anel inteligente smart, cadenas para hombre, erkek spor ayakkab, , , anillo inteligente mujer, reloj hombre, , fitness, , smart ring , love, aliana de namoro, tecnologia inteligente, , herramientas, envion gratis, , bagues femmes, , smart ring , , , , smartring herren, , , , new products 2025, , , , iqibla, zikirmatik, smart ring, smart ring, smart ring, , anillo hombre, anillos, rings, ring, zikr ring, ring smart, anillos