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About product and suppliers:
        Alibaba.com offers 23,742 usb qr products. About 43% of these are scanners, 1% are locks, and 1% are access control card. 

A wide variety of usb qr options are available to you, such as anniversary. You can also choose from 32 bit, 48 bit, and 16 bit. As well as from usb, com. And whether usb qr is children's, or men's. 

There are 23,732 usb qr suppliers, mainly located in Asia. The top supplying countries or regions are United States, China, and Hong Kong S.A.R., which supply 1%, 99%, and 1% of usb qr respectively. 

Usb qr products are most popular in United States, Canada, and India.