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.
There are many free applications on internet, so you can program very easy.
*Frequency: 13.56 MHz
*Size: 85mm x 54mm x 0.9mm
*Material: PVC, Waterproof
*IC tag is suitable for 13.56MHz ISO14443A S50 card reader and reading distance is 0 – 10cm
(Reading distance depends on readers, not the cards)
*User definable access conditions & password for each memory block
*1K byte EEPROM memory (768 FREE BYTES availability)
*Organized in 16 sector with 4 blocks of 16 bytes each (one block consists of 16 byte)
*Write endurance 100,000 cycle