NFC Universal Smart Rings for Mobile Phone, Smart Ring Multifunctional Magic Wearable Device, Smart NFC Waterproof Ring

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.