Micro mở rộng dùng cho điện thoại hội nghị Soundstation 2 Expandable
- Ex Microphones for Soundstation 2 Expandable
- Expanded room coverage for select Polycom conference phones, including SoundStation Duo, SoundStation2 EX, SoundStation2W EX, SoundStation VTX 1000, SoundStation IP 6000, SoundStation IP 7000 and CX3000