Hearing Aids, Hearing Aids for Seniors with Bluetooth, Rechargeable Hearing Aid with APP for People with Hearing Loss, 5 Levels of Volume Automatic Noise Cancellation, Clear Sound and Easy to Us USA seller new open box Item Ready to ship See pictures Humanised Design : You can choose to use APP or not, 5 levels of volume (20%, 30%, 50%, 80%, 100%) adjustment, independent control of left and right ears, more convenient and free to use. At the same time, the fashionable appearance can increase our inner confidence, we are no different from other people. A life of confidence and freedom is beautiful