... police officer and motocycle , security personnel in hotel . conference hall .etc.available for any radio from Motorola , kenwood , icom ,vertex etcone ... are compatible with most two-way radio brands such as MOTOROLA, KENWOOD, ICOM, VERTEX, YAESU, STANDARD, ALINCO, KYODO, SIMOCO, UNIDEN, ... welcome OEM and ODM orders Communicated throat vibration microphone for walkie talkie eaphone with acoustic tube