YAMAHA PJP-10UR, PJP-20UR, PJP-50USB are conference microphone speakers that leverage Yamaha technology to create a conference experience that is easy on both listeners and talkers. They can be used out of the box as high fidelity microphone speakers by connecting them to any PC with a USB cable. Using the PJP-10UR/PJP-20UR/PJP-50USB for Web conferencing or with softphones allows smooth multiperson response without headsets.