Features: 1) Backs-up and restores phonebook data from SIM card 2) Memory: 16KB - 500 telephone records (2 different SIM cards data storage) 3) Password lock and phonebook viewing 4) Adds up the information from one SIM card to another SIM card 5) Time display 6) Supports data exchange among different SIM cards 7) Easy to operate, user-friendly operation interface supported 8) Device independent, no PC or PDA required Inner packing: Gift box Outer packing: 100pcs/ctn