smart Ring for Women Men,Fitness Tracker Ring with Heart Rate, Sleep Monitoring, Blood Oxygen, Step Counting for iOS and Android, No Subscription Fee, Waterproof Color:Gold It utilizes advanced 630nm red

It utilizes advanced 630nm red light therapy to revitalize tired ocular tissue and reduce daily strain

Stop worrying about blind spots or dead batteries that compromise your family's safety

Certifications: Fully FDA

Transdermal delivery bypasses the digestive system for zero waste

smart Ring for Women Men,Fitness Tracker Ring with Heart Rate, Sleep Monitoring, Blood Oxygen, Step Counting for iOS and Android, No Subscription Fee, Waterproof Color:Gold It utilizes advanced 630nm redSPECIFICATIONS Activity Tracked: Activity Tracker,Steps Tracker,Distance Tracker,Calorie Tracker Brand Name: NONE Case Material: STEEL Certification: ce Display screen: No Function: Health Monitoring High concerned chemical: None Item Weight: 0. 105g Material: STEEL Metrics measured: Heart Rate Monitor,Blood Pressure Monitor,Sleep Monitor,Blood Oxygen Monitor,Stress Monitor Model Number: SMART RIONG NFC Support: No Origin: Mainland China Waterproof