A. Features: 1. Smart Nail Sticker: The NFC Smart Nail Sticker is a smart product that can be used for access control cards, bus cards, etc. and emits light. 2. Embedded Smart LED: The embedded smart LED adopts mobile near - distance communication technology (NFC), and there is no battery in the nail sticker. 3. Simple Operation: The function of the smart nail patch is relatively simple. As long as you use a phone with NFC enabled, your nails will glow. 4. Multifunctional: In addition to mobile phones that can make nails shine, there are also many other electronic devices equipped with NFC function. 5. Fashionable and Special Nail Stickers: These nail stickers are popular among girls, being fashionable and special. B. Size: 0.7 x 1.1cm C. Function: Can be used with other nail products D. Instructions For Use: 1. First, check whether your mobile phone supports the NFC function. Taking a mobile phone as an example, turn on the mobile phone and find (Settings--More Connection Methods--Find NFC--Then Open); for now, only System 6 has NFC but has it turned off, and it will automatically turn on the NFC function after upgrading to the latest system. 2. NFC Nail Sticker Operation Steps: Step 1: Clean and trim the nails, and apply a layer of transparent nail polish. Step 2: Open the package and take out the NFC nail sticker, uncover the white paper on the back of the NFC nail sticker. It is suggested to stick the NFC chip on the index finger. Step 3: Select a piece of nail sticker you like. Step 4: Place it on the chip of the nail sticker and expose the LED light. Step 5: Apply a layer of transparent nail polish on the nail surface. E. Size: 0.7 x 1.1cm F. Material: Plastic + FPC + copper G. Colour: red H. Package Contents: 5 x LED Nail Light. Only the above package content is included, and other products are not included. I. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1 - 3cm.