Athletics recording: COLMI R02 sensible ring can record your athletics status and let you know your athletics info continually. Perspective complete specificsHello?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 one th?