A speakerphone is a device that uses a microphone and a loudspeaker simultaneously so a person(s) can communicate with others without using a headset or a handheld unit.
His scientific renown earned him honorary degrees from Yale and Harvard in 1753 and from William and Mary in 1756. In 1754 Franklin was selected to represent Pennsylvania at the Albany Congress, called to unite the colonies during the French and Indian War.
Britain, Celebrated Member of the Constitutional convention. In his life, Benjamin Franklin was considered a Businessman, Writer, Publisher, Scientist, Diplomat Legislator, and Social activist. He was also one of the earliest and strongest advocates for the abolition of Slavery. He died on the 17th of April in 1790.