1.[360°Omnidirectional Mic] Adopts 360° omnidirectional audio pickup microphone, the effective radius of pick up sound is 3-5 meters. Advanced Noise-canceling Technology, clear and stable sound quality, instant communication with distance, high efficiency. 2.[Wide Application] port most meeting and chatting software such as QQ, Skype, Zoom, etc. Suitable for small conference rooms or use. Perfect for video call, voice chatting, music listening, meeting, game playing, remote training, online class, live streaming, etc. 3.[Built-in Speaker Desk Microphone] USB wired conference microphone, built-in speaker, dual speaker unit configuration, shocking sound quality, strong performance. It can be a good music player. Touch panel, speaker and microphone adjustment. With mute key, it is convenient to interrupt and resume calls quickly. 4.[Plug and Play] USB interface, plug and play, no drivers to install, suitable for PC computer and lap. Compatible with Windows XP/Windows 7/8/10 and OS system. And it can connect via bt 5.0 as well, no need of wire.