Compatible with Windows, Mac OS, Linux and Chrome. Ideal for individual conversations or group conference calls. Plug and Play, no software or battery required. HD Voice for high-definition sound conversations. 360-degree omnidirectional microphone to capture sounds from any angle. Compact and lightweight design for greater mobility. Echo cancellation technology for excellent audio clarity. Crystal Clear Chat with background noise reduction. Can pick up people who are approximately one or two meters away, or in a conference of approximately 3-4 people. Includes USB cable and user manual.