Feature:1. Intelligent Noise Reduction: Microphone module with intelligent noise reduction, hifi, eliminate hiss, strong anti interference technology, high sensitivity.2. High Sensitivity: Microphone module is compact and easy to embed. Equipped with high level sound processing technology and intelligent sound pickup.3. Wide 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.4. Switch 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.5. System Support: USB microphone module without driver, support for WINDOWS and for Android etc.Specification:Item Type: Microphone ModuleMaterial: PCBApplicable Objects: All in One Conference Machine, Commercial Display Advertising MachinePointing Characteristics: Digital Noise Reduction High Sensitivity.Package List:1 x Microphone Module1 x USB Cable szrh21