Smart Health Ring, Featuring Stress and Sleep Monitoring Functions, Compatible with iOS and Android, Waterproof Fitness Tracker for Women & Men, No Subscription Fee - (Black, 9) Black 9

• ＋ Stress Monitoring
• ＋ Sleep Monitoring
• ＋ Compatible with iOS and Android
• ＋ Waterproof
• ＋ No Subscription Fee

• 【Check the Size Before Purchase】 Before buying the prxxhri Smart Ring, we strongly suggest that you refer to the size chart and carefully measure the circumference of your finger. This will ensure you get the most comfortable wearing experience and easily avoid any unnecessary returns or exchanges.