Smart Ring for Women Men, Health Fitness Tracker Ring with Heart Rate/Sleep Tracker/Blood Oxygen/HRV/Stress/Calorie/Steps, IP68 Waterproof for iOS & Android, No APP Fees(Black,10#) Black 10#
A sleek, lightweight smart ring for iOS & Android that tracks daily activity and key wellness metrics—plus offers 180+ sport modes, IP68 waterproofing, 4+ day battery life, and a free companion app with no fees.