Welcome to the store! 1. Intelligent Anti-interference: The anti-interference algorithm allows each tag to be identified correctly, will not interfere from another tag. 2. Practical: Fast response, easy to use, lightweight, can be attached to the back of the phone or other flat surfaces without sacrificing performance. 3. Parameter: Adopts CUID chip, 0-5 cm read distance, 40 mm size, lightweight and portable, PET material is not easy to break, durable. 4. Compact: Compact design, can be easily embedded into targets such as product labels or electronic devices, making it practical to use. 5. Easy to Use: Simple operation, just bring the sensing area close to read with NFC-connected devices, eliminating the need to carry NFC cards. Item Type: NFC Stickers Material: PET Chip Type: CUID Read Distance: 0-5 cm/0-1.97 inches Product Size: Approx. 40 mm/1.57 inches 20 x NFC Tag 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!