Jiawu Smart Ring, BT Fitness Ring Long Battery Life IP68 Waterproof for (Size 8, ID 18.1mm / 0.7in)

GIVING CHOICE: Practical and comfortable to wear, this smart ring is a present for friends and family at weddings, graduations and housewarming parties.
FASHION AND TECHNOLOGY COMBINED: Elegant and stylish design and made of materials such as polished ceramic, lightweight, fashionable and comfortable. And it adopts energy saving technology to ensure that a single can be used continuously for 7 days without interruption. APP is compatible with for Android, for iOS, convenient for you to check your data at any time.
HEALTHY LIVING: By recording and analyzing your health data, it can motivate you to make better life choices to stay healthy and energized, while providing you with tailored advice and guidance on sleep, fitness and stress management.
HEALTH TRACKING: This smart ring can your health using advanced sensors to help you stay on top of your health by analyzing key body such as exercise data and sleep quality.
IP68 WATERPROOF DUSTPROOF: You can wear it as much as you want even when washing your hands, bathing, swimming and other water related scenarios. Various sensors monitor your health data as usual.