Reduce noise, provides good sound quality.
Anti-shock & anti-drop, user-friendly design.
Small in size, light in weight.
Comfortable to wear. Convenient to carry.
Simple to use, invisibility design.
Very flexible and durable.
Help you hear the sound clearly and loudly.
Suitable for patients with mild to extremely severe hearing loss..
 
Detail :
Name: Hearing Aids
Material: ABS
Color: Red for Right Ear, Blue for Left Ear
Size: 1.8x1.5cm
Battery SIZE: A10
 
Note:
Adjust volume to the minimum before wearing, Increase volume gradually to avoid sudden increase in sound.
Keep the ear plug clean.
Do not wear on swimming or rainy days.
Remove the battery if you don't use it for long time.
Choose the correct size to use and make it comfortable to avoid whistler.
You can use the cleaning brush to clear it. Cleaning brush tool is coming with a little tiny 
hoop at the end of it looks like at the end of the paper clip to use to adjust the volume, works like a flat blade screwdriver.
This product is suitable for patients with moderate deafness (60-90 dB), no otitis media, enhanced face to face communication.
 
Included: 
1 Pc or 1 Pair Hearing Amplifier
1 x Cleaning Brush tool
1 x Storage Case
1 x Earplugs
1 x Size 10 Battery