Pls see video here http://v.youku.com/v_show/id_XNzQyMzMzODI0.html

work on all NFC mobile phones
all surface can stick, except metal surface
Chip : Ntag203 , 144byte
Tag reading distance : as close as possible, until 0.5mm
Tag reading time : 1-2 mili -second
Tag Size: 30mm x 30mm
6 Tags in the pack.

 list of NFC enabled phones http://www.nfcworld.com/nfc-phones-list/

**7 to 10 working days delivery lead time