<b>Features:</b> <br> 888 bytes or rewrite-able and optionally password protected or permanently lockable storage (600%+ the amount of storage as an NFC NTAG213) <br> Once Locked the tag cannot be unlocked <br> Black PET sticker is water resistant <br> NFC Forum Type 2 <br>Frequency: 13.56MHz <br> Operation Temperature: -20°C~+80°C (-4°F~+176°F) <br> Storage Temperature: -20°C~+80°C (-4°F~+176°F) <br> Will NOT work on metal surface (there are special tags noted as “on-metal” for these applications) <br> Easily concealed by being plain black and the smallest size an NTAG216 can be <br> Comes in Resealable Bag for storage <br> <br> <b> Applications:</b> <br> Use withShortcuts app on iPhone to trigger automations.<br> Store a web address that will take any NFC smartphone right to your website (or Twitter, Facebook, Instagram, Pintrest, etc.) <br> 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. <br> Automate repetitive tasks on an NFC enabled smartphone. (example: Turn Bluetooth off, turn Ringer off, unlock screen, etc.) <br>