The iHEARHD Battery Module Pack contains 3 battery modules for powering the iHEAR HD for up to 1 month. Each HD Battery Module lasts up to 9 days depending on daily use. The HD Battery Module is specially designed to maintain reliable and dependable operation of the iHEARHD by filtering earwax and moisture in the ear.
Turning the device OFF when not in use is important to prolong battery life.
1 Battery Module Pack (1-month supply) is included with your iHEARHD purchase.