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About product and suppliers:
        Alibaba.com offers 9,106 mp3 4gb-usb products. About 16% of these are mp3 player, 1% are mobile phones, and 1% are earphone & headphone. 

A wide variety of mp3 4gb-usb options are available to you, such as bluetooth, voice recorder, and games. You can also choose from red / pink, silver / gray, and beige. As well as from 16gb, 8gb, and 32gb. And whether mp3 4gb-usb is card, watch, or sunglasses. 

There are 9,122 mp3 4gb-usb suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United States, and South Korea, which supply 99%, 1%, and 1% of mp3 4gb-usb respectively. 

Mp3 4gb-usb products are most popular in North America, Domestic Market, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 854 with ISO9001, 581 with Other, and 57 with BSCI certification.