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Description:Key features: 1. Backup and copy the contact lists from SIM CARD in Mobile Phone 2. Save Capability: 8KB (250 Phone records) 3. Easy Operated: don't need to connect with PC or PDA for operating 4. Protect and save all the data in Backup device when the Mobile Phone is missing 5. Data will still exist in Backup device even if the Power supply is off 6. Be able to copy all the information from backup device to any SIM card, even if the users are using the different SIM cards, and from the different cities or countries