1. Color will never be lost due to spray inside the case. 2. Wide area for logo imprint. 3. USB specifications 1.1/2.0 compliance,no requirements for physical drive and external power supply. 4. Nand flash memory,the data will not be lost in case of the power off. 5. Support windows98/98SE/ME/2000/XP/MAS OS/ Linux,automatic OS,installed driver system without manual operating. 6. High speed,at least 10 years of data retention. 7. With boot,encrypt,space partition,autorun(no calibrate function) function.