SONY Wired Earphones XBA-C10 (White) Operation confirmed! The BA driver produces elegant sound. As is the fate of white products, there is some slight yellowing due to aging. Please refrain from purchasing if you are sensitive to this or if you are seeking a perfect product. Cancellations and exchanges are not accepted after purchase. Due to shipping costs, the outer box will be folded for shipping. The balanced armature driver unit reproduces a rich sound field. Equipped with a delta-shaped fitting assist mechanism for excellent wearing stability.