R3 Heart Rate Sleep Monitoring Smart Ring Calories Smart Finger Ring Men Women R

Model :R3 Item Number :R3Source Type: Stock Battery Capacity :18Mah Appearance Size :90*90*46Mm Product Weight :150G Suitable For: Men How To Wear: Wear Applicable System: Android: Above 6.0 Ios: Above 11.0 Additional Functions: Heart Rate Detecti...