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About product and suppliers:
        Alibaba.com offers 923 duo usb products. About 1% of these are data cables, 1% are computer cables & connectors, and 1% are usb flash drives. 

A wide variety of duo usb options are available to you, such as camera, computer, and mobile phone. You can also choose from 64gb, 8gb, and 2gb. As well as from free samples, paid samples. 

There are 923 duo usb suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of duo usb respectively. 

Duo usb products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 120 with Other, 54 with ISO9001, and 4 with ISO14001 certification.