About product and suppliers:
            74,601 card usb products are offered for sale by suppliers on Alibaba.com, of which usb flash drives accounts for 8%, data cables accounts for 1%, and computer cables & connectors accounts for 1%. 

A wide variety of card usb options are available to you, 

There are 74,590 suppliers who sells card usb on Alibaba.com, mainly located in Asia. The top countries of suppliers are United Kingdom, China, and Hong Kong S.A.R., from which the percentage of card usb supply is 1%, 98%, and 1% respectively.