Since the size of a lynx smart ring differs from standard jewelry ring sizes please purchase a sizing kit to find your perfect size and then purchase the lynx health smart ring. The sizing kit includes 8 ring sizers sizes 6-13 and a quick-start guide for this measuing tool to help measure your ring size more accurately. Smart ring size 8 9 10 11 weight: about 4-5 grams material: titanium material battery life: 7-12 days 1.5 Hour fast charge equipped with charging case no subscription fee: renpho app waterproof level: 5 atm meeting daily waterproof needs bathing washing hands swimming etc. Package includes renpho smartring×1 charging case×1 usb-c charging cable×1 user manual×1 warranty policy: your renpho product is covered by a one-year limited manufacturer warranty from the date of delivery.If you have any question feel free to contact to us
Since the size of a lynx smart ring differs from standard jewelry ring sizes please purchase a sizing kit to find your perfect size and...show more
