ASHATA Universal Smart NFC Rings for Mobile Phone, Smart Ring Multifunctional Waterproof Ring Magic Wearable Device Universal for Mobile Phone(Size 7)

• 【Smart NFC Rings】Through the NFC radio frequency communication technology and mobile phone connection to the mobile phone function operation and sharing of data.
• 【Function 】Multi-functional NFC smart ring, the main function is to store and exchange personal information, as well as mobile content and personal privacy encryption unlock.
• 【Lock / Unlock the Program】Select the application you want to lock / unlock, write the smart ring, only the ring touch the phone to start the application, to protect personal privacy.
• 【Advantage】No charge / depth waterproof, built-in ultra-sensitive NFC chip, no electricity to work, easy to wear.
• 【Tip】Beautiful appearance, easy to use.Any questions,Please feel free contact us,we will provide you with high quality after-sales service.

Description Specification: Material: metal. Size: approximately 4 x 5 x 0.5 cm / 1.57 x 1.97 x 0.2 inches. Product Name: NFC Multifunction Smart Ring Size: 7/7/8/9/10/11/12/13 inch Package list: 1 x Smart ring. 1 x instruction manual (English language not guaranteed). Instructions for use: 1. First, check if your smartphone has NFC function. Usually it can be found in the system settings. If no relevant options are found, Contact the manufacturer of after-sales support or Google if the smartphone model has NFC function and confirm your NFC area. 2. If your smartphone has NFC function, turn on the NFC switch, search the application for the software that applies NFC, download and install them. 3. Launch the NFC application, perform the actions according to the instructions. 4. Since NFC is a near-field communication technology, be sure to place the top side of the ring chip near the NFC area when Reading any data to avoid failure in reading and writing.