1. Multifunctional Smart Ring, Blood Oxygen Monitoring; Heart Rate Monitoring; Sleep Monitoring; Step Counting; 10-Day Long Battery Life; Light And To Wear; Ip68 Waterproof; Camera Control; Multi-Sport Mode2. Thin And Comfortable To Wear3. New Smart Ring, On The Ring, All-Weather Intelligent Monitoring, Integrating Health Into Your , Multi-Dimensional Health Monitoring, Life Is Endless, Exploration Is Endless4. Ultra-Low Power Consumption, Longer Lasting, And Smoother Use. The Ring Chip Uses German Dialog DA14531 To Bring You Excellent Performance And Efficient Smart Experience. The Smart Ring Injects A Powerful Core To Make Every Interaction Smoother.5. Faster Charging And Longer Battery Life. It Uses A 17.5mAh Capacity Polymer Battery And Can Be Fully Once With The Charging Compartment. It Can Stand By For About 60 Days, Which Greatly Improves The Battery Life Of The Ring.1. Size: Inner Diameter Approximately 21.5mm2. Main Chip Model: German Dialog DA14531; Ultra-Low Power Consumption, More 3. Body Storage Capacity (ROM + RAM): 128KB ROM + 96 KB RAM4.Battery Type: Polymer Pure Cobalt Battery5. Working Temperature: 0~506. Charging Time: 2 Hours7.Theoretical Standby Time: 10 Days-15 Days8.Usage Time: -9 Days9. Operation Definition: The Ring Has No Touch Or Buttons; The App Initiates Exercise And Functional TestingNote:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseColour:SilverMaterial:Stainless SteelPackage Contents:1x Smart Ring1x Charging Cable1x Charging Compartment1x English ManualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.