Amazon has the Jabra Speak 510 Wireless Bluetooth Speakerphone for $75 + FS w/ Amazon Prime.
It’s been a while since I have seen it this low. Keep in mind that there is a newer version of this, the Speak2 55, but this still does a great job for what it is supposed to do.
https://www.amazon.com/Jabra-Wire…B00AQUO5