---
product_id: 99321825
title: "HONGFEI Invisible Auditory Amplifier, Ultra Mini Adjustable Ultra Small Voice Amplifier"
brand: "hongfei"
price: "€ 139.70"
currency: EUR
in_stock: true
category: "Industrial"
url: https://www.desertcart.hr/products/99321825-hongfei-invisible-auditory-amplifier-ultra-mini-adjustable-ultra-small-voice
store_origin: HR
region: Croatia
---

# HONGFEI Invisible Auditory Amplifier, Ultra Mini Adjustable Ultra Small Voice Amplifier

**Brand:** hongfei
**Price:** € 139.70
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** HONGFEI Invisible Auditory Amplifier, Ultra Mini Adjustable Ultra Small Voice Amplifier by hongfei
- **How much does it cost?** € 139.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/99321825-hongfei-invisible-auditory-amplifier-ultra-mini-adjustable-ultra-small-voice)

## Best For

- hongfei enthusiasts

## Why This Product

- Trusted hongfei brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Full description not available

## Features

- We want you to return to the sound of enjoying everyday life,Your satisfaction is our greatest profit.
- Provide a micro-screwdriver: The clockwise volume increases and the counterclockwise volume decreases.
- There are three different sizes of earbuds in the box, please choose the right one.
- If there is noise, please turn down the volume to make sure that the earplugs are in close contact with the ear canal to ensure that the sound is not leaked.
- The left ear is blue and the right ear is red,There is no difference in wearing,We recommend that you try the 45-day device because it takes 2-6 weeks to adjust the sounds that have not been heard for many years.

## Images

![HONGFEI Invisible Auditory Amplifier, Ultra Mini Adjustable Ultra Small Voice Amplifier - Image 1](https://images-na.ssl-images-amazon.com/images/I/3117RlO3j0L.jpg)
![HONGFEI Invisible Auditory Amplifier, Ultra Mini Adjustable Ultra Small Voice Amplifier - Image 2](https://images-na.ssl-images-amazon.com/images/I/417cXYvct3L.jpg)
![HONGFEI Invisible Auditory Amplifier, Ultra Mini Adjustable Ultra Small Voice Amplifier - Image 3](https://images-na.ssl-images-amazon.com/images/I/41GfXz1wwXL.jpg)
![HONGFEI Invisible Auditory Amplifier, Ultra Mini Adjustable Ultra Small Voice Amplifier - Image 4](https://images-na.ssl-images-amazon.com/images/I/31J3EV8XTyL.jpg)
![HONGFEI Invisible Auditory Amplifier, Ultra Mini Adjustable Ultra Small Voice Amplifier - Image 5](https://images-na.ssl-images-amazon.com/images/I/31rSrLm45BL.jpg)

---

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**Shop now:** [https://www.desertcart.hr/products/99321825-hongfei-invisible-auditory-amplifier-ultra-mini-adjustable-ultra-small-voice](https://www.desertcart.hr/products/99321825-hongfei-invisible-auditory-amplifier-ultra-mini-adjustable-ultra-small-voice)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-15*