Excellent sound reproduction. Professional Audio conferencing device can be connected by Bluetooth, usb, or 3.5 mm jack. Comes with AC adaptor. In excellent condition. This product retails for between 800 to 900. On the used market (eBay) it is around 300+. I have had this for a few years and used it as a portable speaker in my kitchen. Lots of volume and clean sound reproduction. Clear on hands free calling. Check out www.jabra.com and look for Speak810 conference phone for more details and further specs.
