Wireless Lapel Microphone - The Wireless Lapel Microphone is perfect for presentations or situations where one person is speaking for extended periods. | Poly, formerly Plantronics & Polycom
Amazon.com: Polycom Microphone for Hdx 2215-63885-001 221563885001 : Musical Instruments
Amazon.com: Poly Polycom Expansion Mic for RealPresence Debut (2200-69631-001) : Office Products
Polycom 50' HDX Microphone Cable, 2457-29051-001
Extended Mic Cables – 7 foot, Pair for Polycom IP7000 | Business Telecom Products
Polycom HDX White Ceiling Microphone Extension Kit, 2200-23810-002