The Control HA allows you to use your smartphone or tablet to connect your hearing aids or hearing amplifiers. You can then have full control of those devices from the App-So you can customize the sound for your needs and your environment.
Use the Control HA to:
1.Control volume in one or both ears.
2.Switch between four listening modes: 1) quiet room 2) noisy room 3) Car planes 4) Outdoors
3.Control bass and treble for each ear.,
4.Check battery levels.