Come and see our amazing products. This user-friendly headphone is mainly made of ABS. The earflap is made of PU. The headphone cable is made of PVC. Its impedance is 32ohm, sensitivity is 103daB, plug type is 3.5mm and the speaker is 40MM. The length of the cable ranges from 1.5m. The shape of the earflap is like a bpttle cap so it is very attractive. It is suitable for personal computer, mp3 or mp4 and cellphone. The color can be customized. Also, there is a blank area for you to add your logo. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.