NFC keytags per 5

Turn your NFC capable smartphone into a superphone. Launches tasks automatically, turn wifi, bluetooth, GPS etc on and off, change phone volume to loud or silent, launch applications and lots more by just tapping your phone against the above key holders.

Setup profiles for different areas and activate or switch between them in less than a second by tapping your phone against them.

For android use tasker together with NFC task launcher to completely automate your phone.

https://play.google.com/store/apps/details?id=com.jwsoft.nfcactionlauncher&hl=en

For blackberry:

http://crackberry.com/how-use-nfc-tags-blackberry

Amazing power at your finger tips. Save battery life and make your phone just so much smarter.