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
OWIKAR Smart Ring R3F Android WP Compatible NFC Magic Ring Black Waterproof App Enabled for Nokia, Sony, Samsung, HTC, MIUI Smart Phones High-tech Wearable Intelligent Devices

Secret Protection: This Smart Ring can be the KEY of your phone even your house door(13.56mhz frequency door Lock). No need to charge and waterproof.
Control Smartphone: This Smart Ring can Automatic Launch Task of your phone no matter single or multiple. (Call ,Music ,Settings ,Application ,etc)
Health Module: Remove infrared ray and adjust body function by the FIR Energy Stone and the volcano magnet.

$21.99 Select options