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

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 d