Spracht Aura SoHo Plus Conference Phone - Black - 1 x Phone Line - Speakerphone

Active noise cancellation with SoundClearTM patented technology 2 RJ-22 jacks for external microphones Accessory Bay plug in options: 1) Bluetooth Module 2) Digital Module for PBX phone systems Easy install: plug base unit into power & phone line, then dial normally Automatic Room Acoustic Profiling adjusts to your specific room Full duplex enables participants to speak and listen at the same time DSP (Digital Signal Processing) based noise cancellation Total 5 Microphones: 3 Internal omni-directional mics, & 2 external mics Echo cancellation eliminates "tunnel echo"