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About product and suppliers:
        Alibaba.com offers 5,654 bluetooth 4.0 module products. About 34% of these are wireless networking equipment, 30% are integrated circuits, and 1% are other pcb & pcba. 

A wide variety of bluetooth 4.0 module options are available to you, such as voltage regulator, drive ic. You can also choose from free samples, paid samples. 

There are 5,677 bluetooth 4.0 module suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Indonesia, and Taiwan, which supply 99%, 1%, and 1% of bluetooth 4.0 module respectively. 

Bluetooth 4.0 module products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 2,003 with ISO9001, 488 with ISO14001, and 486 with Other certification.