1, EM-403 dynamic CB mic 2, electret unidirectional CB mic ... RJ 12 RJ 45 connector 4, OEM EM-403 electret portable retractable unidirectional CB mic with 4 pin ... with various car radio Detailed specifications : 1, EM-403 dynamic CB mic2, electret unidirectional CB mic 3, CB ... marketing . looking forward to cooperating with you . EM-403 electret portable retractable unidirectional CB mic with 4 pin 5 ...