TAKING THE CPA EXAM ................................................................................... 12. Problems at a Prometric Testing Center.............................................................
Hearing aid batteries last anywhere between five and 14 days depending on the above factors. You will know it's time to replace your hearing aid batteries when the aids start beeping. One solution to save money and make batteries last longer is to purchase rechargeable batteries.
Amplifiers have speaker volume and microphone volume, compatibility settings for your specific phone, and a mute button. AA batteries are included to power the amplifier. Batteries typically last six months to two years, depending on use, and will beep in your ear during calls when the batteries are low.