Hearing aid sound amplifier

Name: Hearing Aid
Number: JZ-1088A
Material: ABS
Battery: AG13 button battery
Certification: CE, RoHS, FCC
Application: mild to moderate hearing loss

Instructions:
1: Open the battery compartment cover, and insert the -AG13 button battery according to the positive and negative directions ("+" is the positive electrode, facing up)
Close the battery compartment cover.
● 2: Turn the switch to the "NO" position, then hang the hearing aid to the ear, and insert the earplug into the ear.
Adjust the volume of your body (Note: Turn down the volume to the minimum before wearing, howling sound when using a large volume,
It is because the silicone earbuds are not tight, causing acoustic feedback.At this time, please check whether the size of the silicone earbuds is appropriate.
Whether the rubber earplugs are tight.If you can't feel the earplugs tight, please choose a rule that better matches the size of the ear hole
Silicone earplugs tightly seal the ear canal, do not leak air).
● 3: When the hearing aid is suspended, please set the power switch to the "OFF" position to save power.
Not suitable for use:
Severe heart disease, suppurative otitis media; patients with pacemaker, allergic to this material, ear skin
Fester is forbidden

The packaging is:

Blister + Black Plastic Box + Color Box +
Outer carton
Product configuration:
3 AG13 button batteries, 3 earbuds