Lenfc NFC Smart Tags Adhesive Sticker Ntag203 (6 Packs + 1 Keychain) - Writeable & Programmable for Samsung,lg,htc,nexus and NFC Enabled Devices The Lenfc Programmable NFC Tags can be customized to change phone settings such as launching apps, sending text messages, sharing contact information and more, allowing you to create the Lenfc tags you need. ---Driving configuration--- Sticking a customized Lenfc smart tag in your car, when you sit into car, scan the tag with your phone for a second, Navigator app could launch itself, volume could be turned up and Bluetooth could be turned on. ---Office configuration--- Customizing a Lenfc smart tag for configurations like turning your phone into vibration mode, turning on WIFI and opening office apps, you can fast get ready to work! ---Home configuration---Pasting a Lenfc smart tag on the door, when you go home, just tap the tag, your phone goes: WIFI on, 3g off, sound on, Bluetooth on and launch music player, you can start to enjoy leisure time at home in a minute! ---Easily call me--- Putting a lenfc smart tag with the instruction to fast dial your number at the office desk, once you get away from the keyboard, anyone needs to find you for emergency can just tap the tag then could easily get you on the phone.