Welcome to our store! Practical Function: Fast response time, easy to use, lightweight, and easy to embed in targets such as product labels or electronic devices. Safe Material: Made of durable PET material, it can be placed outdoors or near water without risk of losing its function, with a smooth and glossy surface, resistant to wear. Lightweight: The NFC stickers are small in size, making them very easy to carry. They can be attached to the back of the phone or other flat surfaces without affecting performance. Intelligent Anti-Interference Function: Allows multiple tags to work in the field simultaneously. The anti-jamming algorithm selects each tag separately and ensures that the selected tag performs the transaction correctly. Easy to Use: Simple operation, just close the sensing area to read with NFC-connected devices, eliminating the need to carry NFC cards, etc. Item Type: NFC Stickers Material: PET Operating Frequency: 13.56MHz Reading Distance: 0-5cm / 0-1.97in Working Mode: Readable and Writable Size: Approx. 40mm / 1.57in 20 x NFC Stickers Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!