The charger is portable
The Eargo charger is portable, and you can use it to charge your Eargo devices on the go. What we mean is the charger runs on its own internal rechargeable battery. The charger will hold a charge for about a week while charging your Eargo devices every day.
Keywords: charger, portable, charge, how long
Source: User Guide User Guide Part #: LBL0018 Revision: REV_C