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About product and suppliers:
        Alibaba.com offers 106,142 4 adapter products. About 2% of these are adapters, 1% are mobile phone adapters. 

A wide variety of 4 adapter options are available to you, such as computer, karaoke microphone. You can also choose from stereo, din, and hdmi. As well as from free samples, paid samples. 

There are 106,142 4 adapter suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 4 adapter respectively. 

 adapter products are most popular in North America, Western Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 19,997 with ISO9001, 7,174 with Other, and 3,258 with ISO14001 certification.