Sports activities recording: COLMI R02 smart ring can report your sports standing and let you know your sporting activities data all the time. Check out whole factsHello?u qu? c?a s?n ph?m nhanh hay ch?m tùy thu?c vào c? ??a c?a m?i ng??i. Tuy nhiên ?? s?n ph?m phát huy ???c hi?u qu? t?t nh?t, ng??i s? d?ng nên dùng s?n ph?m liên t?c trong o