[Wide Application]: Suitable for small conference rooms or personal use. Perfect for video call, voice chatting, music listening, meeting, game playing, remote training, online class, live streaming, etc. [Built-in Speaker Desktop 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 volume adjustment. With mute key, it is convenient to interrupt and resume calls quickly. [360°Omnidirectional Mic]: Adopts 360° omnidirectional audio pickup microphone, the effective radius of pick up sound is 3 meters. Advanced Noise-canceling Technology, clear and stable sound quality, instant communication with zero distance, high efficiency. [Plug and Play]: USB interface, plug and play, no drivers to install, suitable for PC computer and laptop. [Portable Design]: Mini one hand, so it stays perfectly on the conference room table without taking too much space. Directivity: Omnidirectional Sensitivity: -52dB Audio frequency response: 50-1600Hz Signal to Noise Ratio: 63dB Sampling Rate: 16bit 44.1KHz/48KHZ Power supply standard: USB5V Current consumption: ~60mA Operating temperature: -10°C ~ 50°C Colour:Black Material:plastic Package Contents: 2 x Conference Microphone 2 x USB cbale Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.