Bluetooth makes hearing aids cheaper and more available for those with mild to moderate hearing loss. It can be mailed to you, and you can program it with an Android phone. It will be “decent” hearing but never as good as the top hearing aids. “But it is better than nothing,” says Frank land, a professor of public health and air surgeon at John Hopkins University in Baltimore. Sound World Solutions says this will be much more affordable for poor people around the world. The prototype cost around $300.
To Make Hearing Aids Affordable, Firm Turns On Bluetooth : Health News