Heavy duty 1-Wire Surveillance Kit with clear tube and top quality "PRO Series" speaker for best in class audio clarity and volume. Single wire design is easy to use with inline PTT Button and microphone; PTT button answers incoming cellular phone calls, and operates PTT mode. Professional noise reduction microphone effectively reduces ambient noise in high noise environments, and PTT button includes swivel steel clothing clip. True push to talk function (not toggle mode).
Compatible with all Kyocera phones with 3.5mm headset jack. PTT compatible with all carrier and non-carrier PTT applications.