👉 A speakerphone is a device that allows users to make and receive calls, as well as listen to audio from other devices. It works by placing a microphone on the speakerphone, which then transmits audio signals to the phone's speakers or through a headset. The primary use of a speakerphone is for emergency situations where you need to communicate with someone who cannot hear you over your phone's speaker. For example, in an emergency situation when the person speaking can't hear you over the phone,