... package. 4. OEM order is welcome 1.Chatting pc headphone for laptop, Computer headphones, headset, stereo headset with high quality 2.Dynamic ... . But if you need 2.5mm, we can change it for you.9. The cable length is 2M. If you need ... longer or shorter, we can redesign it for you. 10. in blister package, OEM order is welcome, if ...