Wrong fact check, that story was published at nine something in the morning on the day of the presidential debate. Plus the last paragraph seems to indicate they promised not to use one at the presidential debate rating your statement: False
Our ruling: False
We rate the claim that Biden wore an earpiece so his staff could feed him answers during a CNN town hall FALSE. Video from the town hall indicates he was not wearing an earpiece on Sept. 17. And on Sept. 29, the Biden campaign denied accusations he will do so during the presidential debate.