An "ear piece" refers to a small device or accessory that you wear in or over your ear to listen to sounds or receive audio signals, such as music, phone calls, or radio. Full definition
There's an 8MP selfie shooter alongside the usual sensors and ear piece on the top bezel while the bottom bezel houses a home button that also doubles as a fingerprint scanner. (nashvillechatterclass.com)
A notch at the top of the screen hosts the front camera and ear piece as well as the all the components that support facial recognition. (tomsguide.com)
Complete with curved ear pieces and branding to the left arm. (coggles.com)