Complete description:

Cell Phone SIM Card Data Copier Backup Device Never lose your phone book again! This tiny device lets you copy entire phone books from a cell phone sim card to its internal memory. Simply pop the SIM card out of your phone and insert it into the Sim Card Backup Device and press one button. You now have full access to the SIM card allowing you to browse, copy, delete records, and more. Stores 1,000 phone numbers. Features High Capacity: 32KB (1000 phone numbers) User friendly operation; look up and browse phone numbers Easy operation; stores all records in one convenient area Automatically sort phone numbers or delete records Password protection for safe use Calendar with Year-Month-Date-Week-Time display Support data exchange between different SIM cards Device independent, NO PC or PDA required Power: 3V CR2025 * 1pcs (included)