Home » BBC News - Technology » technology news » VIDEO: Making phone speakers from paper cups VIDEO: Making phone speakers from paper cups Unknown 2:41 AM BBC News - Technology technology news The step-by-step guide to turn two paper cups and a toilet roll holder into a smartphone speaker from BBC News - Technology http://ift.tt/1HFzpM1 Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati