Smart Ring for Women Men, Health Tracker with Heart Rate/Blood Oxygen/Blood Pressure/Sleep Monitoring/Step Counting, IP68 Waterproof Fitness Ring, No App Fees for iPhone & Android (Blue, 8#)
【Please Measure Size Before Buying】Before purchasing your Oucscru smart ring, we strongly recommend that you refer to the size chart and measure the circumference of your finger to ensure the most comfortable fit and to avoid unnecessary returns or exchanges
