here is some tips for How to Reduce Radio Interference on a Headset

1- Insert the headset's audio plug into the audio output of an audio device.
2- Remove the battery cover on the back of the noise canceling device. Insert fresh batteries into the battery compartment and close the cover.
3- Insert one end of a mini-jack audio cable into the audio output of the audio device
4- Insert always fresh batteries into the battery compartments and close the covers.