SeboTekĀ® Hearing Systems, Tulsa, Okla, and Energizer Batteries offer a in-office demonstration program designed to stimulate consumer awareness and interest in SeboTeks PAC (post auricular canal) hearing instrument and other advanced hearing technology. For a limited time, hearing professionals conducting demonstrations of PAC qualify for free Energizer EZ Change battery dispensing packages. (800) 388-9041; www.sebotek.com.