Description Polycom RealPresence Trio Expansion Microphone Kit (2200-65790-001) The Polycom RealPresence Trio expansion mics extend the range of your conference phone to bring more participants into the conversation with Polycom HD Voice quality. Compatible with the Polycom RealPresence Conference Phone. Included with the Polycom Trio Expansion Microphones 2x Polycom Trio expansion microphones 2x 7-ft. cables Buy with confidence! The VideoConference Store is a authorized Polycom Reseller and has been delighting our customers for over 18 years. Our certified sales and engineering teams can design and implement any Polycom solution—whether it’s a complete, turnkey system or part of an integrated, mixed environment. As a video conferencing expert, The VideoConference Store can design and deliver a solution that integrates with your existing investments, aligns with your business requirements, and fits within your budget. Please call 1-888-821-7767 with any questions!