The AVer Expansion Microphone for VB342+ Video Soundbar is an essential accessory for improving audio quality in meetings and presentations. This tabletop conferencing microphone features an omnidirectional polar pattern, allowing it to capture sound from all directions, making it ideal for group discussions. With a pickup range of approximately 12 feet and a generous 32.8 - foot cable, it provides flexibility in placement while ensuring clear audio transmission. The microphone operates without the need for external power, simplifying setup and use. It is compatible with various operating systems, including Windows 7 to 10 and macOS 10.7 or later, making it a versatile choice for different environments.