The open ear bone conduction earphone for swimming is a new design, through excellent processing technology and high-quality raw materials, the performance of open ear bone conduction earphone for swimming up to a higher standard. We are perfect for every detail of the open ear bone conduction earphone for swimming, guarantee the quality level, so as to bring you the perfect product experience. Cooyee is a professional China open ear bone conduction earphone for swimming manufacturer and supplier, if you are looking for the best open ear bone conduction earphone for swimming with low price, consult us now!