EN-D19: Innovative Hearing Aid with Unique Features

**Appearance:**  
This hearing aid features a charging case with a large screen for battery display. Its compact design is smaller than the palm of your hand, making it highly portable. The smooth shell material offers a comfortable touch. As a patented design, it is the first hearing aid to eliminate the need for ear tips, providing better breathability and comfort without the stuffy feeling. This design also saves you the hassle and cost of frequently purchasing and replacing ear tips.

**Functionality:**  
The device amplifies human voices while intelligently reducing environmental noise, delivering clear sound with minimal distortion and high fidelity. The battery levels of both the charging case and the hearing aid are displayed on the screen, eliminating battery anxiety and ensuring peace of mind during outdoor use.

**Usage:**  
Equipped with a Type-C charging port and built-in magnets, the device ensures secure charging and easy operation. It turns on automatically when picked up and shuts down when placed back in the charging case. Volume can be adjusted via touch control with five adjustable levels.

**Battery Life:**  
The hearing aid offers a single-use battery life of 20-22 hours. The charging case has a built-in battery that can recharge the hearing aid 5-7 times.

**Patents and Patent Numbers:**  
1. **In-ear hearing aid without ear tips, eliminating occlusion effect and howling** (Patent No. ZL 2022 2 1178341.4).  
2. **China's first hearing aid (sound conduction device) with a large screen for battery display** (Patent No. ZL 2023 3 0234442.2).  

**Certifications:**  
The product is certified with domestic registration, ISO13485, FDA, CE, and ROHS, ensuring high quality and safety standards.

This hearing aid combines innovative design, user-friendly features, and advanced technology to deliver a comfortable and reliable hearing experience.

Packing list:

1*charging case.

2*hearing aid.

1*Type-C cable.

1*Cleaning brush.

1*User manual.