It is specially designed for J-BL Synchros E40BT E40 Bluetooth Headphone.<br> Great replacement old/broken/cracked/damaged/bad Headset Earphone Earpads/Headband Cover.<br> The soft and elastic ear pads fit the ears of everyone and effectively isolate the noise from the outside environment.<br> Durable head band cover improves wearing experience while avoiding hair product dirt the headband.<br> The earpads enhance the fidelity of your audio and provide more vibrant sounds.<br> Material:pu<br> Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use<br> Colour:Black<br> Package Contents:<br> 2 x headpad<br> 2 pair x earpads<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.