Product Description ATH-CKB50 comes with a newly designed “Balanced Armature Driver” that delivers tight bass reproduction for various genres. The newly shaped body of the ATH-CKB50 is designed to support and fit the natural curve of the ear of various ear shapes for extra comfort and superior seal. ATHCKB50 also comes with an ultra-flexible elastomer-sheathed cable that helps to minimize tangling. Set Contains: ATH-CKB50 WH, Earpieces (XS/S/M/L)