Retekess TW102 Window Intercom,Drive Thru Intercom System for Restaurant with Headset Jack,Volume Control for Reception,Bank Counter,Ticket Window(1.8M)

* Connect headphones; window intercom has a headphone jack; more effectively avoid external interference * Independent volume control; internal and external volume can be adjusted; suitable volume can be selected according to the environment * Gooseneck microphone; the microphone can be adjusted arbitrarily at 360° to obtain a better pickup angle * Microcomputer processing chip; with special processing chip and motion noise function; can effectively solve the problem of noise and howling * Mute button; independent mute buttons inside and outside; can freely control the volume of the input and output