Efanr R3 Smart Ring, Waterproof Dust-Proof Fall-Proof Wearable Magic App Enabled Rings for NFC Enabled Mobile Cell Phones Android Smartphones

The smart ring is a Wearable electronic components, it can connect IC / ID / NFC Card Reader like doorlock or cellphone to Unlock, Pay, Share information or Operate some mobile function ; Original Health Module can improve human performance effectively.
The product shape is designed according to the international popular elements, created by the pure medical titanium, no need to charge, high waterproof, and suitable for any people at any time.
Health module: Remove infrared ray and adjust body function by the FIR Energy Stone and the volcano magnet. Lock and unlock your Smart phone or tablet quickly, hide the app when you leave your smart phone alone.

$26.99 Select options