The downloaded APP works with the hearing aids to give you a hearing test similar to that of an audiologist and then programs the hearing aids. This can be repeated until you're satisfied the process. Then use the MD hearing app to adjust the volume and environmental setting programs as needed.
You never have to leave the comfort of your home and Md hearing is still available to help with any questions or other needs. All the original instructions and manuals are included, plus 24 - 312 batteries. These aids are for mild to moderate hearing loss with 40db receivers.
Advanced Technology - Experience the best in background noise reduction with multiple state of the art microphones that focus on the conversation in front of you while tuning out background noises behind you. Each hearing aid controls the volume and the programs.