Cwxuan 3.5mm Plug Sound Conduction Acoustic Air Tube Spring Earphone

-- Radiation Headset principle:
It uses the principle of sound conduction acoustic air tube, so that the fragile brain away from the radiation source, without any electronic devices, such as inner ear radiation, radiation effects more easily convincing.

Bass effect, quality sound; Isolated radiation that caused by radio waves while talking; Great to use; Widely used for security guards, pregnant women, outdoor sportsmen and drivers, etc.; Earphone cable is spring from 34-65cm