This product is designed for cell phones with the NFC function except Blackberry. Simply sticks it on your phone. You can do so much! Here are a few examples: set alarm clock， dial a call， send message， open or close bluetooth， switch mode， browse website and even share your business card as as long as your mobile phone touch the NFC chip. It's simple to use， convenient and demonstrates the true power of NFC.

Main Features:
● Capacity: 1Kbyte EEPROM (rewritable: 752byte)
● Working frequency: 13.56MHz
● Reading range: Depends on environment and power
● Reading time: 1 - 2 ms
● Working temperature: -20 Deg.C - 55 Deg.C
● Rewritable times: >100，000
● Data keeping time: >10 years

Note:
Reading range is depends on environment and power.