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6881 bluetooth module circuit products are offered for sale by suppliers on Alibaba.com, of which other ics accounts for 45%, pcba accounts for 6%, and mp3 players accounts for 3%. A wide variety of bluetooth module circuit options are available to you, You can also choose from bluetooth 5.0, cc2541 bluetooth module circuit,as well as from odm bluetooth module circuitAnd whether bluetooth module circuit is v5.0, {2}, or {3}.