CNBRO Smart Rings for Men Women Health Ring Heart Rate Monitor Sleep Rings NFC Control Family Care Exercise Activity Tracker Pedometer Step Counter Smart Rings for Android & iOS Phones Ceramic Ring

Operating system-Android/iOS
Special feature-NFC control, sleep tracker, pedometer, calorie counter, Heart Rate Monitor
Battery cell composition-Lithium Polymer
Brand-CNBRO
MULTIFUNCTIONS: - Family Care - NFC Control - Pedometer:Steps,Calories,Distance - Heart Rate Monitor - Exercise Monitor - Remote Camera - Sleep Tracker HARDWARE: Bluetooth:5.0 Full Charge Time:About 1 Hour Charging Requirement:Charging 1A or less Ring Battery:15-20mAh APP:SmartHealth Standby Time:One full charge gives you(3 days of working time) iOS 11.0 or above,Android 6.0 or above Ring Material:Stainless Steel Packaging Accessories: Smart Ring*1 Manual Charing Case*1 RING SIZE: BLACK&WHITE COLOR: #7 (Ring inner diameter:17.3m/0.67",Ring circumference:54.6mm/2.13") #8 (Ring inner diameter:18.1mm/0.71",Ring circumference:57.1mm/2.23") #9 (Ring inner diameter:18.9m/0.74",Ring circumference:59.6mm/2.32") #10 (Ring inner diameter:19.8m/0.76",Ring circumference:62.5mm/2.47") #11 (Ring inner diameter:20.6m/0.81",Ring circumference:65mm/2.53") #12 (Ring inner diameter:21.4m/0.84",Ring circumference:67.5mm/2.64") #13 (Ring inner diameter:22.2m/0.87",Ring circumference:70mm/2.73") PINK COLOR: #7 (Ring inner diameter:17.3m/0.67",Ring circumference:54.6mm/2.13") #8 (Ring inner diameter:18.1mm/0.71",Ring circumference:57.1mm/2.23") #9 (Ring inner diameter:18.9m/0.74",Ring circumference:59.6mm/2.32") #10 (Ring inner diameter:19.8m/0.76",Ring circumference:62.5mm/2.47") - IP68 Waterproof - DO NOT suitable for hot water bathing,diving,swimming,water-related work. Any questions,please kindly contact us,we would always offer best solution to you.
NFC ACCESS CONTROL : Tired of fumbling for keys or access cards? Simply touch the sensor, and you’re in! Eliminating the hassle of searching through your pockets or bag.No more lost keys or compromised access cards. The smart ring provides a secure and reliable way to manage your access, all while looking stylish and fashion
INTELLIGENT CARING FOR FAMILY,ANYTIME,ANYWHERE : This smart ring is equipped with an intelligent app that allows you to easily manage your health data and share it with family and friends. You can add family and friends through the app, view their health data at any time, and provide them with timely care and support
SLEEP MONITORING FOR BETTER REST : The smart ring can tracks your sleep patterns without disturbing your rest.It provides insights into your sleep stages,including REM,light sleep,and deep sleep,helping you understand the quality of your sleep
LARGE CAPACITY : 15-20mAh,3-5 days ring single use time.The built-in battery in the charging compartment canstore power can independently charge the device about 5 times whenfully charged.Convenient to carry and use when going out.REMOTE CONTROL FOR SHORT VIDEOS,CAMERA : This ring allows you to remotely control videos and camera,you can also easily capture the beautiful moment anytime and anywhere