Men's Smart EBI-Fitness Tracker - Healthy Heart Rate Ring with Sleep Monitor and Blood Oxygen Tracking No Subscription Fee,Home Care,Remote Photography,IP68 Waterproof(10#) (Gray,10#) is up for auction in Electronics. The current bid is $20.50, 71% below the $70.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.