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About product and suppliers:
        Alibaba.com offers 627 oem earphone unit products. About 1% of these are speaker. 

A wide variety of oem earphone unit options are available to you, such as active, passive. You can also choose from home theatre, stage, and computer. As well as from free samples. 

There are 627 oem earphone unit suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of oem earphone unit respectively. 

Oem earphone unit products are most popular in Eastern Europe, Western Europe, and North America. 

You can ensure product safety by selecting from certified suppliers, including 144 with ISO9001, 30 with Other, and 11 with BSCI certification.