Photo 1 of Naughtbaby FitElf 3 Pro Smart Ring—Health & Fitness Tracker for Women & Men | Monitor Heart Rate, Sleep & Blood Pressure | IP68 Waterproof | 10-Day Battery | No Subscription Needed (Gold, 10)

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Photo 1 of Naughtbaby FitElf 3 Pro Smart Ring—Health & Fitness Tracker for Women & Men | Monitor Heart Rate, Sleep & Blood Pressure | IP68 Waterproof | 10-Day Battery | No Subscription Needed (Gold, 10)Photo 2 of Naughtbaby FitElf 3 Pro Smart Ring—Health & Fitness Tracker for Women & Men | Monitor Heart Rate, Sleep & Blood Pressure | IP68 Waterproof | 10-Day Battery | No Subscription Needed (Gold, 10)Photo 3 of Naughtbaby FitElf 3 Pro Smart Ring—Health & Fitness Tracker for Women & Men | Monitor Heart Rate, Sleep & Blood Pressure | IP68 Waterproof | 10-Day Battery | No Subscription Needed (Gold, 10)