Smart Ring SR08（Health Care）

#8(inner diameter 18.2mm)(with charging case and data cable) #9(inner diameter 19.0mm)(with charging case and data cable) #10(inner diameter 19.9mm)(with charging case and data cable) #11(inner diameter 20.7mm)(with charging case and data cable) #12(inner diameter 21.5mm)(with charging case and data cable) #13(inner diameter 22.3mm)(with charging case and data cable)