A speaker phone for small conference rooms or executive offices. The CHAT 150 connects to enterprise telephones, transforming them into high performance conference phones. Full-duplex audio performance that is far superior to the built-in speaker function on the phone. Manufacturer: ClearOne Communications Manufacturer Part Number: 910-156-220 Manufacturer Website Address: http://www.clearone.com Brand Name: ClearOne Product Line: CHAT Product Model: 150 Product Name: CHAT 150 Speaker Phone for Enterprise Product Type: IP Phone Interfaces/Ports: Network (RJ-45): Yes Interfaces/Ports: USB: Yes Green Compliant: Yes Green Compliance Certificate/Authority: RoHS