Colmi R03 Smart Ring Size:10# and sharp resolution

and sharp resolution

Record data: Accurately record various body data

Supports multiple sports modes

including blood oxygen level

Ring Size: 7#

Colmi R03 Smart Ring Size:10# and sharp resolutionCharging compartment: The smart ring COLMI R03 is equipped with a charging compartment, which can charge your ring at any time and keep it running efficiently. Record data: Accurately record various body data, smart ring, your personal sports coach. 5 ATM waterproof: Professional waterproofing, the smart ring accompanies you to swim. Base parameters Brand: COLMI Product Name: R03 Smart Ring Colors: Black, Gold Ring Size: 7#, 8#, 9#, 10#, 11#, 12#, 13#