Features: 1) Backups and restores phone book data saved in SIM card 2) Capacity: 32KB, can save 4 cards, totally 1,000 groups of phonebook 3) Reads names and numbers saved in device directly 4) Password setup function 5) Relieving PIN code function 6) Can set up company logo display when device is switched on 7) Single operation, no need to be connected with PC 8) With phone book data lost when mobile phones lose them 9) Even when power is exhausts, it will not lose the information stored in it Inner packing: Gift boxes