Cross-Border Source Hand New Titanium Steel NFC Ring Smart Wearable Device Jewelry Wholesale

Ring material: 316L (titanium steel) Ring specifications: Single weight about 11 grams. Width 8mm, thickness 2mm, inner diameter 16mm-24mm. Other specifications can be customized according to customer requirements. Ring color: Available in all colors Ring packaging: Ring codes are available as needed, including national standard codes and American standard codes. (Individually packaged in small OPP bags) This ring is a high-tech smart ring with an Ntag213 chip that can be set to unlock smart doors, recharge cards, unlock smartphones, lock important files on phones, transfer files with one click, etc. It supports NFC and is available for purchase. Specific operation:The smart ring can unlock the screen by touching the NFC signal area of the phone; lock apps; quickly launch applications; send and read business cards, website information, and other functions. Instructions for use: (1) First, please check if your phone has NFC function. Usually, the NFC switch is in the system settings of the phone. If you cannot find the NFC function or other options, please contact the phone manufacturer's after-sales service or search on Baidu to see if the corresponding phone model has NFC function, and confirm the NFC signal area of the phone. (2) If your phone has NFC functionality, turn on the NFC switch and search for NFC-related software in the app store. Download and install the software, then follow the prompts on the software. (3) Open the downloaded NFC software and follow the instructions provided by the software. (4) Because NFC is a near-field communication technology, when reading any tasks, please ensure that the ring's chip slot is facing and tightly against the NFC signal area of the phone; otherwise, it may cause issues with normal reading and writing. The following is a tutorial for using the IOS system. For Android users, please search and download on BaiduUse the NFC Tools PRO 4.0 Chinese or English version software for related operations.