Audiologist Choice Dehumidifiers. Removes moisture from your hearing aids by placing them in a jar of the Stay Dri. Audiologist Choice desiccant can be reused many times and is rejuvenated by microwave or heating in the oven. Batteries are recommend to be removed prior to using dehumidifier. Unique designs are make the hearing aid dehumidifier jar a fun hearing aid accessories. Directions for Reactivating Desiccant 1. Before retiring for the night, clean your hearing aids (and ear molds if you have them) with AudioWipes cleaning wipes 2. Open battery doors 3. Place the hearing aids on the screen side of the desiccant 4. Replace the lid and close the hearing aid container tightly Purchase Includes: (1) Audiologist Choice Hearing Aid Dehumidifier Drying Jar of your choice (1) Microwaveable Desiccant (2) AudioWipes Towelettes (1) Liberty Microfiber Cloth