Rechargeable Hearing aids for The Elderly, Ear, Ear, Rechargeable, Cassette, Cable, Elderly, Original Sound Headphones HIGH-Power Gift

Description

Installation method: Insert the end plug of the wire into the jack on the hearing aid main unit. Connect the soft earbuds to the headphones. At the position indicated by the arrow, press and hold the upper lid to open the battery compartment and place an AA type 5 dry battery. Adjust the number keys to adjust the volume.