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Stainless steel shell: The COLMI R02 smart ring shell is made of stainless steel, which is highly corrosion-resistant, beautiful and comfortable to wear. Health function: COLMI R02 smart ring can monitor blood oxygen, heart rate, sleep, etc., and pay attention to your health. Sports recording: COLMI R02 smart ring can record your sports status and let you know your sports information at all times.

Save on COLMI R02 Smart Ring with a COLMi Smartwatch & Smart Ring promo code

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