73 bluetooth 3 0 edr products are offered for sale by suppliers on Alibaba.com, of which earbud & in-ear headphones accounts for 30%, noise cancelling tws earphones & headphones accounts for 6%, and bluetooth modules accounts for 1%.
A wide variety of bluetooth 3 0 edr options are available to you, You can also choose from bluetooth 5.0, bluetooth 3 0 edr,as well as from v5.0 bluetooth 3 0 edr