1,SD card player headphone 2,double agent wireless headphone for computer,mp3 3,3 color 4,Factory price 5. ... Original quality SD card player headphonedouble agent wireless headphone hot spotDouble Agent headphoneSD card wireless headphone3.5 mini-plug ... gold-plated high-fidelity Cable length: 1.5 m long wire Color: blue, brown, blackTechnical specifications- Can hold any size SD ...