1, headband headset with microphone/ skype headphone 2, manganese steel 3, Fast Tooling; 4, ISO9001:2008 5, over 10 years' 1, headband headset with microphone/ skype headphone OEM2, manganese steel3 ... the surface more beautiful.It can be used inside platic headset. We can provide mould and products to you.We welcome ...