Description of Product: Made in Taiwan / dustproof design / Plug Product Description: Made in Taiwan， quality and reliable USB2.0 interface， downward compatible with USB1.1                  Group 4 USB 2.0 ports                  Independent dust cover design， to avoid the accumulation of dust connector                  Independent power switch design， the use of more peace of mind without having to install additional drivers， plug and play， support hot-swappable Technical specifications: Size: 125 (L) * 28 ( W) * 20 (H) mm System Support: Windows 98 / SE / XP / Vista / Win 7 / Mac OS 9.1 or later Storage temperature: -20 ° C ~ 70 ° C Colour: Black Warranty: One year warranty ◆ About Hua Jian Technology (AXPRO) was founded in 2005， mainly engaged in the memory and peripheral product design， production and sales， set up so far continued to grow every year begin in stable proportion. Hua Jian Technology (AXPRO) has a complete process and product sales plans， with the complete line of products and services， access to a number of world-renowned brands designated cooperation， global accumulated hundreds of customers and wide acclaim. "Excellent quality" is AXPRO demands of themselves， "value for money" is the value AXPRO provide customers， to meet customer demand. Hua Jian Technology (AXPRO) uphold the people-oriented concept， respect for each partner， providing excellent working environment and good personnel perspective， with software and hardware facilities and welfare policies， to create a harmonious corporate culture， and thus obtain certification BSCI (Business Social responsibility guidelines)， and the integration of this belief in each product， it is desirable for each product will allow consumers to buy a happy， feel at ease.