Athletics recording: COLMI R02 intelligent ring can file your sports activities status and let you know your sporting activities info always. Perspective full specificsS? d?ng s?n ph?m theo h??ng d?n c?a nhà s?n xu?t ho?c t? v?n c?a d??c s? kê ??n Khi s? d?ng ??i tràng Colmin c?n th?n tr?ng m?t s? v?n ?? nh?:4 ??i t??ng s? d?ng viên u?ng ??i Tr