Multiple connection modes: USB, Bluetooth, receiver drive free connection, plug and play without driver installation.Long life: built in large capacity lithium battery 3000mAh, super long life can be 8-12 continuous work, USB charging can also be used.Strong compatibility: it can use Windows 7 / 8 / 10, OS, And-roid, Linux and other operating systems, and support zoom, Skype, WebEx and other software.Application scenarios: video conference, online education, consultation, political cloud video, collaborative office, judicial scheduling, etc.G95 video conference omnidirectional microphone built-in high-power high-fidelity speakers, DSP audioChip, using advanced echo cancellation algorithm, voice automatic gain balance (ALC) function,360 degree omnidirectional high-sensitivity digital microphone, suitable for various video conferences and instant messagingCommunication software, plug and play, simple and efficient.Bluetooth: BT5.0Function: noise reduction / echo cancellation / AGCSNR: 64.3 dB (a)Connection mode: wireless / USB 2.0 connectionColour:blackMaterial:plasticSize:181 x 81 x 29mmPackage Contents:1 x Conference Microphone1 x USB Cable1 x English manualOnly the above package content, other products are not included.Note: Light shooting 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.