The Mabis Amplifier Hearing Aid Model Ava 199 is a personal sound amplification device designed to assist those with mild to moderate hearing loss. This compact and user-friendly hearing aid helps improve sound clarity and speech comprehension in various environments. As this is a personal medical device, please consult with a healthcare professional before use to ensure it meets your specific hearing needs. Proper cleaning and maintenance are essential for optimal performance and longevity of the device.