Specification: Item Type: Microphone Module_x000D_Material: PCB_x000D_Applicable Objects: All in One Conference Machine, Commercial Display Advertising Machine_x000D_Pointing Characteristics: Digital Noise Reduction High Sensitivity Features: 1Intelligent Noise Reduction: Microphone module with intelligent noise reduction, hifi, eliminate hiss, strong anti interference technology, high sensitivity. 2High Sensitivity: Microphone module is compact and easy to embed. Equipped with high level sound processing technology and intelligent sound pickup. 3Wide Compatibility: Mic module supports major video conferencing systems, large screen all in one video systems, for Skype, QQ and other video or voice communication systems. 4Switch Keys: Mini microphone module with on off button and indicator light (red light for power, blue light for work). Suitable for small and medium sized conference rooms and offices. 5System Support: USB microphone module without driver, support for WINDOWS and for Android etc. PackageList: 1 x Microphone Module 1 x USB Cable