About This

• Accurate Sizing, Comfortable Fit:Before purchasing, we highly recommend buying a USA ring sizer to ensure the perfect fit for your finger. Precise sizing ensures a comfortable wear, avoiding any discomfort from an ill-fitting ring
• Elegant Enamel Design with Smart Functionality：Designed with refined enamel detailing, this smart ring blends jewelry aesthetics with daily wellness tracking for a seamless wear experience.
• Daily Activity & 7-Day Goal Tracking：Tracks steps, distance, calories, and active minutes, with 7-day goal progress to support consistent daily movement.
• Heart Rate Trends & Historical Insights：Launch heart rate tests via the app and view all-day dynamic trends, recent 7-measurement summaries, and historical data for better awareness of body fluctuations.
• Sleep Analysis & Sleep Score：Monitor sleep duration, sleep stages, sleep score, and average sleep heart rate to support healthier rest routines.

Overview

• Battery Cell Composition : Lithium Polymer
• Brand : Yihou
• Model Name : R19Mblack-9
• Color : enamel
• Target Audience : Women
• Compatible Devices : Smartphone
• Included Components : smart ring
• Material : Steel
• Manufacturer : Yihou
• Size : 9