Product details:

(2200-16155-001) The Polycom Soundstation 2 External Microphones are a pair of expansion microphones for your soundstation conference system. The external microphones will allow you to expand the coverage of your conference calls to even larger conference rooms, allowing for more productivity. Features Pair of external microphones for use with the Polycom SoundStation 2. Extend up to 6' on either side of base unit for increased coverage.