1. Introduction
Thank you for purchasing the Portronics Dynamo 8W Portable Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it carefully before use and retain it for future reference.
2. What's in the Box
Your Portronics Dynamo speaker package includes the following items:
- 1N Portronics Dynamo Speaker
- 1N Charging Cable
- 1N User Manual
3. Product Overview
Familiarize yourself with the Portronics Dynamo speaker's components and controls.
3.1. Speaker Layout

Image: Front view of the Portronics Dynamo 8W Portable Bluetooth Speaker in blue, showcasing its compact design and speaker grille.

Image: Side view of the Portronics Dynamo speaker, highlighting the control buttons (Power/Mode, Volume Up, Play/Pause, Volume Down) and the covered USB and charging ports.
3.2. Control Buttons and Ports
| Component | Function |
|---|---|
| Power/Mode Button | Press and hold to power ON/OFF. Short press to switch between modes (Bluetooth, USB, FM). |
| Volume Up (+) / Next Track | Short press for next track. Press and hold to increase volume. |
| Play/Pause Button | Short press to play/pause music. Answer/End calls. |
| Volume Down (-) / Previous Track | Short press for previous track. Press and hold to decrease volume. |
| Micro USB Port | For charging the speaker. |
| USB Port | For playing music from a USB pen drive. |
| Inbuilt Microphone | For hands-free calling. |
4. Specifications
- Audio Output: 8 Watts
- Connectivity: Bluetooth 5.3v, USB, FM Radio
- Battery: 2000mAh Lithium Polymer (up to 10 hours playtime)
- Weight: 266 Grams
- Dimensions: 5D x 16W x 5H Centimeters
- Material: Plastic
- Water Resistance: Water Resistant
- Microphone: Inbuilt
- TWS Function: Yes
5. Setup
5.1. Initial Charge
Before first use, fully charge your Portronics Dynamo speaker. Connect the provided Micro USB charging cable to the speaker's Micro USB port and the other end to a USB power source (e.g., wall adapter, computer USB port). The charging indicator light will show the charging status.
5.2. Power On/Off
- To power ON: Press and hold the Power/Mode button until you hear an audible prompt.
- To power OFF: Press and hold the Power/Mode button again until you hear an audible prompt.
6. Operating Instructions
6.1. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode (indicated by a flashing blue LED). If not, short press the Power/Mode button to switch modes.
- On your smartphone, tablet, or other Bluetooth-enabled device, enable Bluetooth and search for available devices.
- Select "Portronics Dynamo" from the list of devices.
- Once paired, the speaker will indicate a successful connection, and the LED will stop flashing.
- The speaker will automatically reconnect to the last paired device when powered on, if the device is within range and Bluetooth is enabled.

Image: The Portronics Dynamo speaker connected wirelessly to a smartphone and a laptop, demonstrating its seamless Bluetooth 5.3v connectivity.
6.2. True Wireless Stereo (TWS) Function
To experience enhanced stereo sound, you can pair two Portronics Dynamo speakers together using the TWS function.
- Ensure both Dynamo speakers are powered on and in Bluetooth mode, but not yet paired with any device.
- On one of the speakers, press and hold the Play/Pause button for a few seconds until you hear a pairing tone. This speaker will become the primary unit.
- The two speakers will automatically connect to each other. Once connected, you will hear a confirmation tone.
- Now, connect your device to the primary speaker via Bluetooth as described in section 6.1. Both speakers will play audio simultaneously, providing a stereo experience.

Image: Two Portronics Dynamo speakers shown side-by-side, illustrating the True Wireless Stereo (TWS) pairing capability for a combined 16W audio output.
6.3. USB Music Playback
Insert a USB pen drive containing MP3 audio files into the speaker's USB port. The speaker will automatically switch to USB mode and begin playing music. Use the Volume/Track control buttons to manage playback.
6.4. FM Radio
To use the FM radio function:
- Short press the Power/Mode button until you hear the FM radio prompt.
- Press the Play/Pause button once to auto-scan and save available FM stations.
- Use the Volume/Track control buttons to switch between saved stations.
6.5. Hands-Free Calling
When connected to your smartphone via Bluetooth, the built-in microphone allows for hands-free calls.
- To answer an incoming call: Short press the Play/Pause button.
- To end a call: Short press the Play/Pause button during a call.
- To reject an incoming call: Press and hold the Play/Pause button.

Image: A person engaged in a hands-free conversation using the Portronics Dynamo speaker, demonstrating its built-in microphone functionality.
7. Charging
To charge the speaker, connect the Micro USB cable to the speaker's charging port and a compatible USB power source. The LED indicator will show charging status. A full charge provides up to 10 hours of playtime.

Image: The Portronics Dynamo speaker with its charging port visible, indicating where to connect the Micro USB cable for recharging its 2000mAh battery, offering up to 10 hours of playtime.
8. Care and Maintenance
- Keep the speaker away from extreme temperatures, direct sunlight, and moisture.
- Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Avoid dropping or subjecting the speaker to strong impacts.
- Ensure the port cover is securely closed to maintain water resistance.
9. Troubleshooting
| Problem | Solution |
|---|---|
| Speaker does not power on. | Ensure the battery is charged. Connect the speaker to a power source and try again. |
| Cannot pair via Bluetooth. | Ensure the speaker is in Bluetooth pairing mode (flashing LED). Make sure your device's Bluetooth is enabled and within range. Forget previous pairings on your device and try again. |
| No sound or low volume. | Check the volume levels on both the speaker and your connected device. Ensure the speaker is not muted. |
| TWS pairing fails. | Ensure both speakers are not connected to any other device. Power off and on both speakers, then try TWS pairing again. |
| FM radio reception is poor. | Move the speaker to an open area or closer to a window. Auto-scan for stations again. |
10. Warranty and Support
The Portronics Dynamo speaker comes with a Limited Warranty. For warranty claims, technical support, or further assistance, please contact Portronics customer service. Refer to the official Portronics website or the contact information provided in your purchase documentation for details.
Manufacturer: Portronics
Importer: Portronics Digital Pvt Limited
11. Product Video Overview
Video: An official product overview video from the seller, demonstrating the features and functionality of the Portronics Dynamo Bluetooth Speaker.