1.It is USB rechargeable hearing assist without frequent battery replacement.

2.Please choose an earplug that fits the ear canal, as the gaps can cause noise.

3.Please use the correct wearing method to ensure that the hearing closely match the ear canal to avoid sound feedback and howling.

4.Do not touch the little loudspeaker which is used for reception with your hands during use, otherwise it will make noise.

5.When hearing aids are used for the first time, noise is inevitable.

Recommendations

1. The user who uses the hearing aid for the first time selects the low-frequency mode in the first week or two and adjusts it to the most appropriate volume to adapt to the habit of wearing the hearing aid.

2. Don't wear it too long a day. Take it off and rest every 30 minutes.

3. After the adaptation period, try to switch modes or wear the device when talking to people, and continue to try in different scenes until you find the most comfortable experience.

Have a nice day!