So even if you sweat during your exercise,it is durable enough for you to experience a hassle-free workout. (it's not suit for swimming underwater ). Bone conduction technology: bone conduction earbuds is the sound waves transmitted through the bones in a user's skull instead of the ear canal.The ears are open when worn and used,and the ears are not blocked,which solves the wearing of in-ear headphones and free the ears from the burden of swelling.
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