Our sleek and convenient waterproof smart NFC card with keychain, is made of epoxy and PVC and is compatible with NFC reader and writer app available on iOS and android. Features: NTAG213 chip,13.56Mhz, 144 bytes Visit a website URL Share a text file Pair with a Bluetooth device Launch an specific app Connect to a wifi network with credentials Trigger a smarthome automation Toggle Phone Settings (Alarm, Ringer, etc.) On/Off Send SMS Message Price Includes: Free setup Free virtual proof Free logo PMS matching Free custom body color Free full color imprint on one side Free standard shipping to 1 continental US commercial location