The Polycom VoiceStation 500 VS500 is an audio conferencing device that can be used as a Bluetooth or phone station. It is a used product and was manufactured in China. The device belongs to the Polycom Voicestation 500 series and is suitable for business and industrial use in office settings. This item is not new. I’ve tried the Bluetooth and it works. I Don’t have a phone line to test it . Please look at the picture. If you have any questions, please message me thanks and happy bidding.