1Long Service Life: Sound amplifier wax guard prevent earwax from accumulating in the sound outlet, ensuring your sound aid can be used for a longer period before changing the filter. 2Suitable For Elderly: Particularly convenient for seniors and individuals with hearing impairments, thereby significantly enhancing the convenience of their daily life through its thoughtful and innovative design. 3Prevent Obstruction: Its well crafted design diligently prevents wax, dust, and moisture from entering and blocking the sound aid, thereby essential for ensuring the continuous and normal operation of the sound amplifier for optimal performance. 4ABS Material: Constructed with ABS material, sturdy for you to use, impact resistant, scratch resistant, moisture resistant, and easy to process for long term and long time use. 5Compatibility: Specifically designed and tailored, which is suitable for sound amplifiers, diligently prevents foreign objects from entering and potentially affecting the normal operation of the sound amplifier device.