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place of origin | China |
Type | smart ring |
feature | App Control |
function | Blood Oxygen Sensing |
battery life | 5 to 10 days |
case material | Steel |
charging method | magnetic charging |
Operating System | Android |
private mold | Yes |
waterproof standard | 5 ATM |
Type | Health smart ring |
Product name | Ro9 Smart Health Ring |
APP | QRing APP |
Battery | 18 Mah |
Size | 8/9/10/11/12/13# |
Health monitoring | Heart Rate Blood Oxygen Sleep |











