Feature: 1. 【360\u0026deg; Omnidirectional Microphone】This conference microphone features a 360\u0026deg; pickup range within 300cm/9.8ft, ensuring all voices are captured clearly. Its advanced noise-canceling algorithm filters out background noise, allowing you to focus on the meeting and hear real human voices. 2. 【Superior Echo Cancellation】Our video conference microphone built-in high-performance intelligent 16-Bit DSP chip, the input and output audio are directly processed on the chip at high speed, which can effectively block noise and eliminate echoes. This ensures the other party hears your voice without any echo or delay, providing a smooth and clear communication experience. 3. 【Adjustable Speaker Volume \u0026amp; Mute Function】The built-in speaker volume can be easily adjusted to suit your needs. The microphone also comes with a mute function, allowing you to have private conversations without being overheard. 4. 【Broad Compatibility】This USB microphone offers quick and easy connectivity with mobile phones, tablets, PCs, and laptops via USB, without the need for any extra drivers. It\u0027s compatible with various operating systems and online meeting apps like Zoom, Skype, Microsoft Teams, Google Meeting, Webex, and Facetime. 5. 【3.5mm Headphone Jack】For confidential conversations, you can connect a pair of headphones to the microphone via the 3.5mm jack. This feature ensures your privacy during sensitive discussions. Specification: Features: 【360° Omnidirectional Microphone】This conference microphone features a 360° pickup range within 300cm/9.8ft, ensuring all voices are captured clearly. Its advanced noise-canceling algorithm filters out background noise, allowing you to focus on the meeting and hear real human voices. 【Superior Echo Cancellation】Our video conference microphone built-in high-performance intelligent 16-Bit DSP chip, the input and output audio are directly processed on the chip at high speed, which can effectively block noise and eliminate echoes. This ensures the other party hears your voice without any echo or delay, providing a smooth and clear communication experience. 【Adjustable Speaker Volume & Mute Function】The built-in speaker volume can be easily adjusted to suit your needs. The microphone also comes with a mute function, allowing you to have private conversations without being overheard. 【Broad Compatibility】This USB microphone offers quick and easy connectivity with mobile phones, tablets, PCs, and laptops via USB, without the need for any extra drivers. It's compatible with various operating systems and online meeting apps like Zoom, Skype, Microsoft Teams, Google Meeting, Webex, and Facetime. 【3.5mm Headphone Jack】For confidential conversations, you can connect a pair of headphones to the microphone via the 3.5mm jack. This feature ensures your privacy during sensitive discussions. Specifications: Model: M31 Size of Host Machine: 140x140x42mm Weight of Host Machine: 106g Sampling frequency of speaker: 24Khz Sampling frequency of microphone: 16Khz Speaker: 4Ω 8W Operating voltage: 4.5V ~ 5.5V Microphone Sensitivity: -34 +/- 3 dB Frequency: 100 ~ 10,000 Hz Output impedance: ≤2.2KΩ SNR: ≥58dB Max SPL: 115dB Max Current Consumption: ≤0.5mA Echo cancellation: Max: 256ms Reverberation time: < 0.5S Noise: < 48dBA Audio processing: AEC/AGC/NR/NLP/ALC System : Windows8/windows7/vista/xp/2000/Mac10.5/Android Package List: 1 x Microphone 1 x USB Cable Package List: 1 x Microphone 1 x USB Cable