Product Review

Features:
504 bytes of rewrite-able and optionally password protected or permanently lockable storage
Once Locked the tag cannot be unlocked
Since the Tag s so small you will need to be very close to it for the antenna to pick up your phone or other device
NFC Forum Type 2
Frequency: 13.56MHz
Operation Temperature: -20°C~+80°C (-4°F~+176°F)
Storage Temperature: -20°C~+80°C (-4°F~+176°F)
Comes in Resealable Bag for storage

Applications:
Great for Enbedding in 3D Printed Projects like rings and figurines or anything requiring a super small footprint.
Store Data from certain Video game saves
Store a web address that will take any NFC smartphone right to your website (or Twitter, Facebook, Instagram, Pinterest, etc.)
Store your Credit Card Issuing Bank's Contact Number and stick on the back of your Credit Card to easily call them up if you have any issues.
Automate repetitive tasks on an NFC enabled smartphone. (example: Turn Bluetooth off, turn Ringer off, unlock screen, etc.)