This card is compatible with NFC capable phones and tablets, it is Smart Card Tags.
You can do many tasks use this tag, such as set an alarm, turn phone to silent etc.
If you don't know how to use it,please search YouTube to see.
There are many free applications on internet, so you can program very easy.
100% brand new and high quality
Frequency: 13.56 MHz
Material: PVC
(Reading distance depends on readers, not the cards)
User definable access conditions & password for each memory block
Package Include:1/5pcs