Two-way voice Window Speaker Intercom communication technology can automatically recognize the voice signal during the call, and use a more special speaker, the sound is clear and pure, without any measures Auto dual-way intercommunication without pressing any button;anti ...Two-way voice Window Speaker Intercom communication technology can automatically recognize the voice signal during the call, and use a more special speaker, the sound is clear and pure, without any measures Auto dual-way intercommunication without pressing any button;anti-interference and noise-free function Dual-way audio record output;dedicated anti-side tone processing chip with auto-mute function Has special side tone processing chip and the movement noise function can effectively improve the noise The sound from the system is clear and natural. The system has high-quality speakers and high-sensitivity microphones.