153 csr bluetooth 4.0 products are offered for sale by suppliers on Alibaba.com, of which non-noise cancelling tws earphones & headphones accounts for 2%, earbud & in-ear headphones accounts for 1%, and noise cancelling tws earphones & headphones accounts for 1%.
A wide variety of csr bluetooth 4.0 options are available to you, such as no, others and bluetooth v4.0.You can also choose from noise cancelling, high quality csr bluetooth 4.0,as well as from mobile phone, media player, and portable media player csr bluetooth 4.0,And whether csr bluetooth 4.0 is yes, {2}, or {3}.