Product Name: Wireless 360-Degree Highly-power Omni-directional Conference Microphone Speaker Product Weight: 650g Product Size: 352 x 340 x 64mm Radio radius: 6 m (suitable for conference room within 60 square meters) Manufacturer: Shenzhen MSThoo Science and Technology Development Co., Ltd. MST-X1 omni-directional conference microphone speaker adopts USB free driver design, built in highly-power low-mid speaker, using the most advanced 256ms echo cancellation algorithm, equipped with automatic level control ALCof voice. No matter how close or far an speaker is, it can clearly pick up the sound. With high-sensitivity double-capacitor microphone, it is free of dead corner in a conference room within 60 square meters. A person is allowed to walk and talk freely at a single-person meeting; everyone can sit in his/her own position at ease and doesn't need to get especially close to or move the omni-directional microphone during multi-user video conference. It also allows for plug and play of all kinds of video conferencing and instant communication software, plug and play. MST-X1 omni-directional conference microphone speaker is a high acoustical speakerphone designed by VOIP for software-based video conference. Built in highly-performance intelligent DSP chip, audio input and output signals can go through high speed computation directly on chip, which not only can effectively block the noise, cancel the voice echo, but also can process the sampling and computation of high-quality audio 16K-24K audio with high speed to get clear and clean voice quality for the software-based video conference.