description: Before leaving the warehouse, we will send the package after passing the test. Because customers who don't know how to use it usually score low, the phone doesn't have NFC capabilities and should not be purchased. Will not use, please do not buy. Disputes regarding product quality issues are not accepted. Quickly lock and unlock your smartphone or tablet and hide apps when using your smartphone alone Share and transfer information (send a private message/photo/business card/website link to the person you want to share in a simple way) Control the application (you can pre-write a fixed list of processes and click "Start Application". Waterproof, no need to charge Support for NFC-enabled Android and iPhone xs and above models (systems in ios 13 and above).
Size chart check image Quickly launch the mobile app, pre-write the quick launcher launch command to the smart ring, and automatically find and launch the program when the smart ring touches the phone. Multi-function NFC Smart Ring, the main function is to store and exchange personal information, as well as unlock mobile content and personal privacy encryption ptie Product specifications: Material: Stainless steel Size: 22.214.171.124, 10, 11, 12, 13 Chip: NFC chip Working frequency band: 13.56 MHZ Product specifications: NFC smart ring application APP; Android phone supporting NFC function; Product Description: This Smart Ring is a stylish wearable electronic product that connects to mobile phones via NFC RF communication technology to operate and share data. It does not require any power supply and has a high level or waterproof performance.
The built-in NFC chip requires the NFC function that comes with the phone. two. Specific operation: The smart ring realizes the screen unlocking by touching the NFC signal area of the mobile phone; the application locks; quickly launches the application; sends the reading business card, website information, etc. Three instructions for use:
(1) First check if the phone has NFC function. Typically, the phone's NFC switch is located in the phone's system settings. If the user cannot find the NFC function of the mobile phone, please contact the mobile phone manufacturer for sales or Baidu search for the NFC-enabled mobile phone model. And confirm the NFC signal area or mobile phone.
(2) If the mobile phone has the NFC function, after opening the NFC switch, search for the NFC function software in the application software market, download and install it, and follow the instructions on the software.
(3) Open the downloaded NFC software and follow the software prompts.
(4) Since NFC belongs to near field communication, when reading any task, please make sure that the position of the ring chip is close to the NFC signal area of the mobile phone, otherwise the reading and writing may be normal. Then according to the mobile APP, perform function operation settings, match, and establish a shortcut function application.
(5) Support NFC function intelligent fingerprint password lock, NFC intelligent attendance, need to match, write label information or digital synchronization can be used. Package Included: 1 *Smart ring Precautions: Due to the differences between the different displays, the image may not reflect the actual color of the project. Compare the detail size to the detail size. For manual measurements, the tolerance is 1-3 cm. If there is a problem with the product, please leave a message before providing error feedback.