I am the original owner of this conference phone. It was never used in a business environment. It was occasionally used for family conference calls and has been sleeping in a closet the rest of the time. The unit is 100% functional. This is a quality product and would work well in a home of office environment. You can add a module to have Bluetooth connectivity and extra microphones. It comes with an instruction manual not pictured.
The SOHO Conference phone comes with everything you need to start conferencing immediately: Phone, 120/240VAC Wall Adapter and Phone Interconnect Box; 18' Wall Adapter; RJ-11 Phone Cord and Power Cord.
SOHO Speakerphone has "echo cancellation" and active noise reduction utilizing SoundClear DSP (Digital Signal Processing). Clear and natural 2-way communications (full duplex)
3 built-in "Omni-Directional" microphones provide 360º coverage for a 20' x 20' room. Expand your speakerphone coverage by adding 2 optional external microphones for larger rooms (sold separately).
Fully Expandable: Add Bluetooth or PBX, Digital compatibility by adding optional modules via the Accessory Bay. Not necessary to upgrade to a new conference phone to obtain this functionality.