3.5mm Plug Mic Retro Telephone Anti-radiation Cell Phone Handset Receiver(Black)

1.Improve Call comfort.

 
2.Supplied with a 3.5mm plug.
3.Pick up / hang up button.
4.High quality speaker and microphone.
5.Noise reduction system.
6.Eliminate absorbed phone radiation.
7.Please note: the volume adjustment is only suitable for iPhone, the default maximum sound of other mobile phones.