This high-tech AXON F-139 voice amplifier helps improve your quality of life and say goodbye to embarrassing pauses while you struggle to hear what is being said. The product can help you sound clearly and loudly when you see film, watch the match, have a meeting, or classes, etc. In addition, the internal circuit boards make the hearing aid more neat and beautiful. When you wear AXON F-139 hearing aid devices, you will be amazed at the excellent sound with almost no noise or other disturbance. Plus, the affordable pocket size ear wear style AXON F-139 hearing aids have volume control that you can adjust the sound volume according to your own needs and preference. This hearing aid is really a perfect choice for you to qualify your listening experience!