The earspeaker for the Galaxy S7 allows the person on the other end of the call to communicate with you when not on speaker. This earspeaker lies directly underneath your ear during a call. If it stops working, there will not be any sound coming from it, meaning you ll have to use the loudspeaker. This component is critical, so replace it as soon as you can. This high-quality replacement earspeaker works as well as the original.