Invisible Hearing Amplifier Completely- In-Canal,Silicone Material Highly Advanced Sound Amplifier Seniors,Left And Right Ear

The left ear is blue and the right ear is red.Simple operation,You can choose the part you need. Make a micro screwdriver available: the volume increases clockwise and counterclockwise decreases. There are three different sizes of earplugs in the box, please choose the right one. If there is any noise, please turn up the volume to make sure that the earplugs are in close contact with the ear canal so that the sound does not leak. We want you to return to the sound of enjoying everyday life. Your satisfaction is our biggest asset.