Sim Card Backup

Quantity Order:

1, This product can back up and duplicate the directory materials in GSM or the CDMA cell-phone card fast ;
2, Back up capacity of device 8KB , can store 250 group telephone number originally;
3, This product is that a unit is operated, do not need connecting with computer and using ;
4, After materials back up, cell-phone for instance, is it needn't afraid and lose the directory materials either to lose;
5, When users need to use different cell-phone card because of different city or country, can share the backing up device materials to any cell-phone card ;
6, Even if the power is exhausted, will not lose the materials that have already store been in the spare device either.

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