►Headphones have earpieces and are mainly used for listening to music.
►Headsets have earpieces (or a single earpiece) plus a microphone, and are used for communications (both listening and talking) on the phone, computer, air traffic control console, and so on.
►An earphone is a tiny receiver that fits in or on your ear, commonly used for listening to a portable radio.
►EarPhone® is a miniature ear-mounted receiver with a short microphone boom (sort of a mini headset), made by Jabra for phones.
►EarSet® is an all-in-the-ear receiver/transmitter, also made by Jabra. Similar products from other companies are called ear buds.
►HeadPHONE is an advertising label that Panasonic uses for some phones that have headset jacks.