---
product_id: 467947285
title: "Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, Black"
brand: "norwii"
price: "NT$2002"
currency: TWD
in_stock: true
reviews_count: 8
category: "Norwii"
url: https://www.desertcart.tw/products/467947285-bluetooth-voice-amplifier-power-amplifiers-portable-mini-wired-microphone-headset
store_origin: TW
region: Taiwan
---

# Advanced feedback suppression 10W crystal-clear output 4000mAh 30h battery life Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, Black

**Brand:** norwii
**Price:** NT$2002
**Availability:** ✅ In Stock

## Summary

> 🎙️ Own the room, wherever you teach or lead!

## Quick Answers

- **What is this?** Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, Black by norwii
- **How much does it cost?** NT$2002 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/467947285-bluetooth-voice-amplifier-power-amplifiers-portable-mini-wired-microphone-headset)

## Best For

- norwii enthusiasts

## Why This Product

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

## Key Features

- • **Feedback? Not in Your Classroom:** Cutting-edge frequency shifting tech eliminates ear-piercing feedback for a smooth, professional audio experience.
- • **Versatile & Portable Powerhouse:** Compact size and Bluetooth/AUX connectivity make it perfect for classrooms, tours, fitness, and outdoor events.
- • **Endurance That Keeps Up With You:** Massive 4000mAh battery offers up to 30 hours of uninterrupted teaching or guiding—no mid-day recharge panic.
- • **Effortless, Teacher-Centric Design:** Simple 2-step setup with analog volume dial and ultra-lightweight clip-on belt strap for hands-free freedom.
- • **Amplify Your Voice, Amplify Your Impact:** 10-watt output delivers powerful, clear sound that reaches every corner of the room.

## Overview

The Norwii Bluetooth Voice Amplifier is a sleek, portable 10-watt PA system designed for educators and professionals who demand clear, powerful sound. Featuring a robust 4000mAh battery for up to 30 hours of use, advanced feedback suppression technology, and a lightweight clip-on design, it ensures your voice carries effortlessly in classrooms, tours, and outdoor events. USB-C rechargeable and compatible with multiple devices, it’s the trusted choice for seamless, hands-free amplification.

## Description

desertcart.com: Norwii Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, Black : Musical Instruments

Review: Produce opinion - Works perfectly. I has helped with my student to make them listen and pay better attention. Good battery and volume
Review: Love this mic! Lasts a couple years with continuous use! - Update! I just bought a second one. The design is slightly updated. Works like a charm. Hoping to get 2 more years out of it! I bought a different one recently, and that broke after 2 months (the strap broke the first week. Not this product! I'm coming here to give this item 5 stars. Will update with how long it lasts me this time around! This cute little mic lasted me 2 years of continuous teacher use before glitching in me. So sad. I loved it.

## Features

- Effective for Teaching - With a 10-watt output power,the portable voice amplifier with wired headset microphone make your voice louder and travel further, helping students listen more clearly and attentively. Its lightweight and portable design makes it a favorite among teachers, fitness instructors, tour guides, promotion events
- Loud and Clear Sound - 3-inch speakers plus a booster circuit makes the voice amplifier crystal clear sound with good sound quality, effectively saving the teacher's throat. Designed for educators, Trusted by Professionals. Teacher must haves
- Teach Without Ear-Piercing Feedback - The Voice Amplifier utilizes advanced frequency shifting technology to supress feedback effectively. To ensure optimal performance, maintain a distance of 20 cm between the microphone and the amplifier to avoid any feedback issues
- Week-Long Battery - 2000 mAh battery supports 12-15 hours continuous teaching, 4000 mAh battery supports 25-30 hours continuous teaching. Full-day outdoor events without recharge anxiety. USB-C rechargeable
- Simple and Practical, Teacher-Centric Design - Only 2 steps: 1.Turn on the amplifier; 2.Plug the microphone into the MIC port of the amplifier. Now, it's ready. Unlike buttons, the analog dial offers finer volume increments. Ultra-lightweight with clip-on belt strap – teach hands-free

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B7RQPXNH |
| Antenna Location | Accessibility Support, Emergency & Safety, Fitness & Group Activities, Outdoor & Hobby Use, Religious & Community Settings, Retail & Customer Service, Teaching & Training |
| Audio Input | AUX, MIC |
| Best Sellers Rank | #637 in Musical Instruments ( See Top 100 in Musical Instruments ) #3 in Power Amplifiers |
| Brand | Norwii |
| Built-In Media | 3.5 mm Audio Cable*1, Adjustable Waistband*1, USB-C Cable*1, User Manual*1, Wired Microphone Headset*1 |
| Color | Black - 4000mAh |
| Compatible Devices | Headphone, Headset, Laptop, MP3 Player, Smartphone |
| Connectivity Technology | AUX, Bluetooth, USB |
| Connector Type | Aux |
| Customer Reviews | 4.3 out of 5 stars 3,022 Reviews |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS), PC |
| Item Dimensions | 4 x 3.59 x 1.49 inches |
| Item Height | 1.49 inches |
| Item Weight | 0.3 Kilograms |
| Item dimensions L x W x H | 4 x 3.59 x 1.49 inches |
| Manufacturer | Shanghai Norwii Technology Co., LTd. |
| Model Number | S358 |
| Mounting Type | Portable |
| Number of Channels | 2 |
| Output Wattage | 10 Watts |
| Power Source | Battery Powered |
| Warranty Description | 1 Year Limited Warranty |

## Product Details

- **Brand:** Norwii
- **Item dimensions L x W x H:** 4 x 3.59 x 1.49 inches
- **Connectivity Technology:** AUX, Bluetooth, USB
- **Color:** Black - 4000mAh
- **Compatible Devices:** Headphone, Headset, Laptop, MP3 Player, Smartphone

## Images

![Bluetooth Voice Amplifier, Power Amplifiers, Portable Mini Wired Microphone Headset for Teacher Classroom & Outdoor Lectures, Teaching, Tour Guides, USB-C Rechargeable - 4000mAh, Black - Image 1](https://m.media-amazon.com/images/I/71At6JvmZEL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Produce opinion
*by O***R on December 23, 2025*

Works perfectly. I has helped with my student to make them listen and pay better attention. Good battery and volume

### ⭐⭐⭐⭐⭐ Love this mic! Lasts a couple years with continuous use!
*by L***A on August 31, 2025*

Update! I just bought a second one. The design is slightly updated. Works like a charm. Hoping to get 2 more years out of it! I bought a different one recently, and that broke after 2 months (the strap broke the first week. Not this product! I'm coming here to give this item 5 stars. Will update with how long it lasts me this time around! This cute little mic lasted me 2 years of continuous teacher use before glitching in me. So sad. I loved it.

### ⭐⭐⭐⭐ Works Great for Price
*by D***. on August 30, 2025*

Due to a medical condition in need a microphone for work. It works well and is pretty loud for a classroom. I would prefer a lapel mic, but the furnish mic works fine for classroom use.

## Frequently Bought Together

- NORWII S358 Portable 4000mAh Rechargeable Voice Amplifier with Wired Microphone Headset & Waistband, Personal Microphone and Speaker for Teachers Tour Guides ect. (Black)
- Akingdleo 2 pcs Portable Lapel mic 3.5mm Audio Compatible with Voice Amplifiers S6

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**Shop now:** [https://www.desertcart.tw/products/467947285-bluetooth-voice-amplifier-power-amplifiers-portable-mini-wired-microphone-headset](https://www.desertcart.tw/products/467947285-bluetooth-voice-amplifier-power-amplifiers-portable-mini-wired-microphone-headset)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-17*