WinBridge S309 2000mAh Ultralight Fast Charging for Teachers

Published February 20th, 2022

Written by WinBridge Team

This article introduces WinBridge S309 the basic parameters, main functions, user manual, accessories, official website purchase, applicable people, after-sales policy, OEM customization, etc.

WinBridge S309 Voice Amplifier

To understand the details of WinBridge S309, please refer to the following summary and get the content you need.

Table of Contents

  1. WinBridge S309 basic parameters
  2. WinBridge S309 main functions
  3. WinBridge S309 user manual
  4. WinBridge S309 accessories
  5. WinBridge S309 official website purchase
  6. WinBridge S309 applicable people
  7. WinBridge S309 Trading Information
  8. Packing and Shipping

1. WinBridge S309 basic parameters

S309 portable Voice amplifier is a lifesaver for your voice and throat! Speaker gives off a clear and crisp sound, with no noise, and no distortion! You could easily make a presentation to a group of 50-100 people and be heard clearly.

Winbridge S309 Features:

  • WinBridge S309 is lightweight, compact, and portable.
  • Excellent for anyone in meetings, teaching or seminars, or guiding a tour.
  • Sound clear, lightweight, easy to use, and you can adjust the belt and volume easily.
  • Rapid charging time: It only takes about 3.5 hours for charging.
  • Could work well for the elderly who cannot project their voice to keep them socially involved.

S309 Technical Parameters

Output Power: 8W Working time: 10-12 hours(MIC mode)
Lithium battery: 2000mAh Charging time 3.5 hours
Charging Voltage DC 5V, 1A Product size: 112mm*96 mm*45mm
Working time(music) 8-10 hours Unit weight 188g

2. WinBridge S309 main functions

1. High Power Speaker 8W which covers about 50-100 people. Transmit your voice louder, clearer, and farther without noise or distortion;
2. Long RUN-TIME & Rapid CHARGING TIME: Runs for max.12 hours & takes about 3.5 hours for charging;
3. USB playing, It can play music and receive input at the same time so you can use it as a mini karaoke set. This is great fun for kids, and everyone else for that matter;
4. It has a strap for hands-free use easy to use.
You can also watch the official WinBridge youtube video to learn more about WinBridge S309’s functions and product details.

3. WinBridge S309 user manual

The following content is the WinBridge S309 user manual. Of course, you can also download the manual in PDF format.

Winbridge WB001 user manual PDF-Download

WinBridge S309 Package includes:

  • 1 * Voice Amplifier
  • 1 * Headset Microphone
  • 1 * Type-C Charging Cable
  • 1 * Audio Cable
  • 1 * Adjustable Waistband
  • 1 * Charging plug
  • 1 * User manual

Winbridge S309 package includes

How to wear WinBridge S309 waistband

WinBridge S309 is a wired mic and voice amplifier, please refer to the following for wearing:

wear wb001 waistband

4. WinBridge S309 accessories

WinBridge S309 accessories include a wired microphone, waistband, USB cable, user manual, etc.

Winbridge S309 package includes

The usage of the WinBridge S309 belt buckle can refer to the figure below, which is also a necessary accessory for 3209.

5. WinBridge S309 official store

1. If you visit WinBridge for the first time and want to buy WinBridge S309, you can buy it directly from WinBridge’s official website And can enjoy a certain discount;
2. If you have already purchased WinBridge S309 and want to buy some accessories, such as a headset microphone, we recommend you to buy it through the WinBridge official store;
3. Or you are visiting for the first time and want to import in batches, but you are not sure about the quality of WinBridge S309. We recommend that you buy some samples through the official store to confirm the quality of the product;
4. If you want to buy in small quantities, such as 5 or 10, you can also buy through the WinBridge official store, and you can enjoy a certain discount.
The official store website for purchasing WinBridge S309 is as follows, you can directly visit this link:


 WinBridge S309 official purchase store

6. WinBridge S309 applicable people

WinBridge S309 is currently one of the most popular voice amplifier products. We have received thank-you letters from teachers, coaches, tour guides, distributors, etc. from all over the world, the main users of WinBridge S309 are as follows:

 WinBridge S309 applicable people

WinBridge S309 applicable people:

  • For Teacher
  • For Yoga Coach
  • For Elderly
  • For Tour Guide
  • For disabled
  • for outdoor auction
  • For business train
  • For Meeting

7. WinBridge S309 Trading Information

If you want to import WinBridge S309 in batches or OEM customization, you can continue to pay attention to the following information, and hope that it will be helpful to you.

WinBridge S309 bulk order:

  1. OEM MOQ: 1000PCS
  2. WinBridge Brand MOQ: 200PCS
  3. Payment: T/T 50% Deposit + 50% Balance before shipment
  4. Place of Origin: Shenzhen, China
  5. Delivery lead time: 30-40 Days after payment confirmed
  6. Warranty: 1-year warranty, lifetime technical support
  7. Certificate: CR,ROHS,FCC

Packing and shipping

The following is the scene of the WinBridge S309 warehouse, packing, loading, and shipping. We hope to deliver high-quality voice amplifier and pa system products to our partners:

 WinBridge Pack and Ship

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