Smart Finger Ring Waterproof/dust-proof For Android Mobile Phone Wear Magic

Description Lock and your smart phone or tablet quickly, the app when you leave your smart phone alone. Water Resistant and No charging required, uses: set up smart lock, card recharge, smart phone unlock, phone important file lock, transfer files. 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. Share & transfer information (send the private message/Picture/business card/ website link to the person you want to share by a simple touch). Support all for Android and for Windows Mobiles. Specification: Material: titanium steel. Color: transparent, black. Size: 8mm. Note: There might be a bit color distortions due to different computer resolutions. There might be size errors due to different computer resolutions. Package include: 1 * intelligent rings.