1USB desktop office microphone has an omnidirectional sound pickup effect, which effectively blocks noise and eliminates echo, reduces noise, and makes the sound clearer and smoother. 2Desktop office microphones are suitable for oneonone and small group conference calls and other VoIP calls, as well as for online meetings, recording podcasts, games, video chats, etc. 3This conference microphone has a mute button, and you can quickly mute/unmute it by pressing the mute button, which is very suitable for online meetings and distance education. 4Compact design is easy to carry, you can easily put it in your pocket or business bag, and plug in the power when you use it. 5Easy to use, without any difficult requirements even though you use it for the first time. Item Type: Microphone Material: Metal Color: Black Microphone Core Diameter: Approx. 9.7mm / 0.4in Weight: Approx. 208g / 7.3oz Polarity Mode: Omnidirectional Frequency Response (Hz): 100hz-16khz Low Output Impedance: 200 Sensitivity: -45db2dB Power Supply Voltage: DC3V 1 x Microphone 1 x Manual 1. Do not place it in a high place to prevent damage to internal parts caused by falling.2. Prevent water from entering the microphone, the product is not waterproof.