Rayovac Hearing Aid Battery Tester Rexton Just plug into your landline

Just plug into your landline or park your cell phone on the unit and set it to "vibrate"

industry-leading usage time that prolongs the need for frequent filter replacements

change programs or quickly access your favorite hearing aid feature

a maintenance compartment for the receivers and three indicator lights that show the charging status of the hearing aids and maintenance cycle

15 mini speakers housed in frame

Rayovac Hearing Aid Battery Tester Rexton Just plug into your landlineRayovac Hearing Aid Battery Tester tests your hearing aid batteries to ensure they are working efficiently. Never be caught with dead hearing aid batteries again! The compact and convenient Rayovac Hearing Aid Battery Tester Keychain not only checks the efficiency of your batteries but also has room to store two extra batteries. The Rayovac Hearing Aid Battery Tester is compact and ideal for carrying in your pocket, purse, or key ring keychain. The