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Amazon.com : Skywin Bluetooth Conference Speaker with Microphone - Wireless Conference Call USB Speakerphone for Mobile Phone and Computer, High Sensitive Omnidirectional 360° with Noise Canceling : Office Products
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8 Reasons to Use Wireless Conference Room Technology - EZCast Pro
Monoprice Wireless Omni Directional USB Conference Room Mic and Speaker, 360 degree with Noise and Echo Cancellation - Monoprice.com