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About product and suppliers:
        Alibaba.com offers 3,130 usb light pen products. About 5% of these are usb flash drives, 1% are ballpoint pens. 

A wide variety of usb light pen options are available to you, such as free samples, paid samples. 

There are 3,130 usb light pen suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of usb light pen respectively. 

Usb light pen products are most popular in North America, Western Europe, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 190 with Other, 175 with ISO9001, and 45 with ISO14001 certification.