Kikumi R5 NFC Smart Ring - 128GB M

spec: item type: NFC Smart Ring Material: Ceramic, Electronic Components Suitable Mobile Phone:All Mobile Phone with NFC Function Suitable size: about 63mm/2.48in How to use: 1. Please activate the NFC function on the mobile phone before use. If not, it can not be used 2. Use the set NFC module and touch the NFC induction area of the mobile phone (please refer to the image in the manual) at the induction position shown above in the root frame (page 4b and d). (a) Different brands of mobile phones have different nfc induction ranges, please refer to the instructions of the original manufacturer (b) usually nfc function nfc function) after it is can -can (an oc display