95.8% of buyers have recommended this.
Brand: Jackom R3
Suitable for IOS, Android or Windows smartphones with Near Field Communication (NFC) capability
The most modern ring to come out of 2018. The wearable technology inside the ring can connect IC/ID/NFC Card Reader like door lock or cellphone to Unlock, Pay, Share Information or Operate mobile functions.
There's no need to charge, it is highly waterproof and is suitable for use at any time. This device is made from liquid tungsten and epoxy crystal ceramic. It has Germanium, Volcanic Magnet and FIR Energy Stone made from nano technology in Korea that can improve one's health.
To install for the first time: