Understanding Alera Hearing Aid
The ReSound Alera hearing aids come in three models and each model has the option of wireless technology. The three models are the Alera 9, Alera 7, and the Alera 5. The standard Alera models operate on a size 10A battery. The wireless Alera models operate with a size 312 hearing aid battery.The Alera hearing instrument is only available in a receiver-in-canal (RIC) or also known as a mini bte (behind-the-ear) hearing aid.