Lugar del origen
Guangdong, China
Material
Amorphous Titanium Alloy/Epoxy Crystal Ceramic
Size
American standard ring size 7-12, 6 sizes available
Waterproof
yes,IP68;Dustproof and can swim in the pool
Similar as
Smart Watch,Smart Ring,Smart bracelet
Logo
Customized against quantity
Application
Door, Post machine,access control door
Product name
Jakcom R3 Smart Ring NFC Gold Waterproof Mini Wowen Men Ring