{HEAD ~ Means} are provided for wiring {TAIL ~ the device} to the microphone input of the mobile phone set 
are provided for wiring
{ HEAD ~ Means } are provided for wiring { TAIL ~ the device } to the microphone input of the mobile phone set
HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH