Features: The digital boundary microphone tailored for network conference, network live broadcast, interview, etc. USB2.0 professional sound card chip without driver, plug and play, compatible with windows, iOS, Mac system. Built-in Omnidirectional capsule, 360 degree pickup, clearer sound; built-in integrated amplifying circuit, high sensitivity, and picking up range more than 2m. Advanced RFI shield technology isolates cell phone signal interference; 150Hz LF attenuation switch effectively reduces picking up ambient noise; Anti-skidding pads prevents from microphone skidding or vibration on desktop; 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.