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882 bluetooth module io products are offered for sale by suppliers on Alibaba.comAbout 12% % of these are other communication & networking product, 9%% are bluetooth modules, and 4%% are development boards, electronic modules and kits. A wide variety of bluetooth module io options are available to you, such as china, guangdong china.You can also choose from bluetooth 5.0, nrf52832 and nrf52840 bluetooth module io,as well as from odm bluetooth module io

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