Features:

• Light Small Sound Amplifier  Adjustable Tone ITE Hearing Aid
• When you see the film, watch the  play, have meeting, or have classes, this product can  help you to hear the sound clearly and loudly
• Made of durable soft plastic  material that comfortable
• While in forest, if you want to hear  very slight sound, it will be a good choice
• It can be used for sound amplifier
• Max sound output: 110±5dB
• Sound gain: 30dB
• Total Harmonic Wave Distortion: 10%
• Frequency range: 300-4000Hz
• Input noise: 40dB
• Voltage: DC 1.5V
• Current: 4mA

Note:

1. It is forbidden to used by those  patients with tympanitis or ear pyogenesis.

2. Don't use it at high volume for long  time. Otherwise it will injure your ear If you feel  uncomfortable, please stop using

3. Please maintain the products all the  time, avoid ear plug and sound collecting hole being  blocked by foreign objects. It will affect the effect of  sound amplifier

4. Avoid shocking, falling the product.  Don't keep or use it in environment of humid or high  temperature

5. Don't throw the scrapped battery as  common rubbish, it should be handled by special  equipment

6. Please take out the battery if don't  use it for a long time. Otherwise the components will be  rotted by time. Rotten liquid from battery

7. Don't use the product in potential  explosive or dangerous environment

8. Keep the unit away from the children.  It will injure him or others, or damage the unit

Package include:

• 1 x Adjustable Tone Hearing Aid Sound Amplifier

• 2 x AG3 Button Cell Battery

• 4 x Earplug

• 1 x Carrying Case

• 1 x User Manual