JAKCOM R3 Smart Ring Consumer Electronics Mobile Phone Smart Ring-R3,Waterproof App Enabled Rings,App Enabled Wearable Technology with Health Stone Universal for iPhone iOS (Size:10#) 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 Share & Transfer information (send the private message/Picture/business card/ website link to the person you want to share by a simple touch). Water Resistant and No charging required,You can use the R3 as ID and IC cards.Because R3 can copy ID and IC card messages. Control Applications (you can write a fixed process list ahead of the time, and the ring will start the applications each time by simply touch.)