Feature: 1. In addition to mobile phones, there are many other electronic devices have NFC function. 2. The function is very simple, as long as you are using a mobile phone with NFC functionality, nails will shine. 3. NFC intelligent nail sticker is a high tech smart product, it can glowing with the access control card, public transportation card, etc. 4. Embedded smart LED light source, use mobile near field communications technology (NFC), no battery inside nail stickers. 5. Favored by the majority of girls, which is can make you fashionable and special. How to Use: 1. Clean and trim your nails and apply a layer of clear nail polish. 2. Take out the NFC nail sticker and uncover the white paper on the back of it. It is recommended to put the NFC chip on the index finger. 3. Take off a favorite nail sticker. 4. Stick on the chip of the NFC nail sticker and expose the LED light. 5. Apply a layer of transparent nail oil. Specification: Item Type: NFC Lighting Nail Stickers Material: ABS Color: Dark blue, white, light blue, red, yellow, purple, green Quantity: 7pcs Size: Approx. 1.2 x 0.8cm / 0.47 x 0.31in Function: NFC nail sticker is a high tech product that does not need power supply and can automatically flash when met the NFC signal. Put the nail sticker on the nail and put it in the NFC signal sensing area to automatically shine. Package List: 7 x Glowing Nail Stickers1 x Storage Box Note: Please allow small error due to manual measurement. Thanks for your understanding. INGREDIENTS defaultFavored by the majority of girls, which is can make you fashionable and special. Embedded smart LED light source, use mobile near field communications technology (NFC), no battery inside nail stickers. NFC intelligent nail sticker is a high tech smart product, it can glowing with the access control card, public transportation card, etc. The function is very simple, as long as you are using a mobile phone with NFC functionality, nails will shine. In addition to mobile phones, there are many other electronic devices have NFC function.