New Smart Ring R3
- Replace “door key” ,”Payment Card” or other”IC”/”ID”card;
- Improve human health and prevent disease;
- Unlock phone ,Quick start phone’s program,Share informations,Private notebook,etc;
- No need to charge and waterproof;
- Full U.S. sizes optional;
- Made by Liquid Tungsten and Epoxy Crystal Ceramic,Fashionable design elements.