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About product and suppliers:
        Alibaba.com offers 1,257 exhibition design sample products. About 1% of these are earphone & headphone. 

A wide variety of exhibition design sample options are available to you, such as metal, plastic, and pe. You can also choose from noise cancelling, microphone, and waterproof. As well as from free samples, paid samples. 

There are 1,258 exhibition design sample suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Singapore, which supply 98%, 1%, and 1% of exhibition design sample respectively. 

Exhibition design sample products are most popular in North America, Oceania, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 161 with ISO9001, 92 with Other, and 29 with ISO14001 certification.