1. Max sound gain:38±5,Suitable for mild to moderate hearing loss (Reference hearing loss map)

2.Rotatable medical silicone hose, binaural universal.

3. 2 modes of noise reduction:H mode for high frequency,N mode for Low-frequency.Help you to hear sond in different environments.

4. Charging time: Charging 4-6 hours,can last a whole day (about 40 hours).Saves your trouble to buy button batteries frequently.

5. If the ear dome is not completely fill into ear canal or air leaks at the ear dome, which will causes a annoying whistle.We give 3 different sizes of earplugs to reduce howling and noise.

6. Gift bundled: We will give a hearing aid box to carry.Every set contains USB charging cable (without charging plug) and earbuds.Will be great gifts for your friends or families. Product parameters

MAX OSPL:≤129±3

Max sound output :117db±4

max sound gain:38±5

Frequency range:450Hz-4300 Instructions

1. Clean the ear canal before use.

2. Charge the hearing aid,turn the botton to N

3. When using it for the first time, please turn the volume to the minimum and then slowly increase it.

4. Try and select suitable ear dome. Install the ear dome and make sure it fits snugly.

5. Insert the hearing aid into the ear canal,adjust its position in the ear canal until the soft eartip is fully deployed and fill the ear canal.

Notice

1. If the earbuds cannot fill the ear canal, it may cause feedback or whistler. So, please repeat step 5 to reduce howling and noise

2. Turn off the hearing aid if you don't use it.3. Please use the original charging head and charging cable for charging. Otherwise the product may be damaged.4. If you need to use a replacement charger, please use a charger suitable for the product. If an inappropriate charger is used to charge the product, it will cause damage to the product.