Features: The digital boundary microphone tailored for network conference, network live broadcast, vocal chat, etc. USB2.0 sound card chip without driver, plug and play, compatible with windows, iOS, Mac system. Built-in cardioid capsule features long pickup distance, accurate directivity and clear sound quality; built-in integrated amplifying circuit, high sensitivity. Advanced RFI shield technology isolates cell phone signal interference; 150Hz low cut switch effectively reduces picking up ambient noise. Anti-skidding pads prevents from microphone skidding and reduce the table vibration influence; Touch mute switch eliminates mechanical noise of traditional switch. Compact, portable and easy operation for convenient network conference or recording; With long USB cable for you to connect with computer or laptop to achieve flexible usage.