Using steps:
1. Use NFC tools app pre-set the application.
2. Put your smartphone gently nearby, the chips' data will be input to the smartphone directly. No need for internal battery.
3. Chip cards compatible and programmable with NFC-enabled smartphones and devices.

Readable cards:
Because of readable and writable features, NFC sticker tags allow people to change and read the data when you want, the chip inside can quickly read the data, please notice that a NFC-enabled device is needed.

Suit occasion:
You can use blank card to set an alarm clock, make a call, launch an application, join a network, show a message, share a contact, show address or location, update social media, open a web page, etc.

Features:
Working frequency: 13.56 MHZ
Card size: 25 mm in diameter
Material: waterproof PVC
Card surface: glossy finish
Reading distance: 1 cm to 5 cm (depend on the reader and using environment)
Function: read and write
Data storage time: more than 10 years

Warm notice:
Some phones are unable to read the NFC sticker tags, please understand it clearly before making purchase