The jabra speak 810 is a premium grade professional speakerphone designed to offer usb bluetooth nfc and a 35 m jack for smartphone or tablet connectivity for conference calls the broadest range of connectivity in the jabra speak series ideal for a hassle free simple conference call setup in seconds for collaboration with up to 15 attendees in the same meeting room for perfect sound uses zoomtalk microphones for excellent audio quality that uniquely detects the human voice and not th