The VonBruno Hearing Aid is designed give you a comfortable and easy-to-control listening experience. Just plug your headphones in and tap the on button. Adjust the volume to the right level using the volume wheel or the rocker buttons on the side of your device. VonBruno Hearing Aid will use the built in device mic if you have plugged in regular headphones, or the headset mic if you are using earbuds with an integrated mic. VonBruno Hearing Aid incorporates multitasking and lets you browse through other non-audio apps on your device without interrupting your listening experience. You can also lock your screen to save battery life without interrupting your audio stream.