Modern, sleek design encompasses the latest in acoustic technology. Aura SoHo is full duplex, allowing simultaneous two-way conversations. Echo and noise cancellation, provided by the patented SoundClear DSP (Digital Signal Processing) chip, gives you unprecedented clarity of sound. The Aura SoHo comes standard for analog phones, but optional plug in modules: convert it to digital for PBX systems; allow pairing with Bluetooth devices; and soon, will even go wireless! Whether your phone system is analog or digital, you can experience quality conferencing at an affordable price with the Aura SoHo.