1. Password lock 2. Easy to Operate and Very Cost Effective 3. Backs-up and Restores Phonebook Data from SIM Card 4. Memory: 16KB - 250 telephone records and 40 SMS messages. 5. Supports Data Exchange Amongst Different SIM Cards 6. LCD-Screen for Viewing Menu and Backup Progress 7. Device Independent, No PC or PDA Required. It is the fashion treasure for the mobilephone users and gift-presenting, with great features of Novelty design, small and exquisite, and fashion practical. Our company can print customers mark and design on the SIM Card Device or design packing as the requirements. It is the best choice for the company to do sale promotion, propagandize the companys new image, and achieve the publicity.