1. USB drive-free plug-and-play, ultra-long-distance sound pickup, effective sound pickup within a radius of 3 meters, high-fidelity and high-definition sound 2. It has extremely wide frequency response, fast instantaneous response characteristics and ultra-high sensitivity characteristics, and can collect sound at 360 degrees. 3. Using electrophoresis technology to and environmental protection. 4. It can show the characteristics of original-sound reproduction, has a very wide frequency response, has ultra-high sensitivity characteristics. 5. Fast transient response characteristics, has ultra-low Contact noise characteristics, has drop and impact resistance characteristics,has small size and weight Unique advantages of light. Product:USB conference microphone Microphone use:universal purpose for and desktop computers Sensitivity:-40+/-3dB Signal to noise ratio:more than 60db Interface type:USB 2.0 Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:Black Material:Plastic Package Contents: 1 * USB conference microphone 1 * USB cable 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.