Feature: 1. Anti Interference: Smart anti interference functioin allows multiple labels to work in the field at the same time and ensures that selected labels perform the transaction correctly. 2. Application: NFC stickers work for NFC enabled cell phones and devices, lightweight and portable, stable performance to meet your usage needs. 3. Features: Cute design makes your life easier, fun and colorful, beautiful colors and smooth surface give you a stable and reliable use experience. 4. Easy Using: NFC stickers can be easily embedded in targets such as product labels or electronic devices, and the simple design makes your phone more fun! 5. Usage Performance: Compact size to stick to the back of your phone or other flat surfaces without degrading performance. Specification: Item Type: NFC StickersMaterial: PETChip Type: CUID Reading Distance: Approx: 0-5cm/0-1.96in Product Size: Approx: 40mm/1.57in . Package List: 20 x NFC Stickers Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.