1. Introduction
Thank you for purchasing the Umbro Wireless Bluetooth Speaker with Radio. This portable speaker is designed to provide high-quality audio playback from various sources, including Bluetooth-enabled devices, SD cards, USB drives, and AUX input. It also features an integrated FM radio and can function as a power bank to charge your mobile devices.
Please read this manual carefully before using the product to ensure proper operation and to maximize its lifespan.
2. Product Features
- Wireless Bluetooth 5.0 Connectivity: Fast and stable connection with a range of up to 10 meters.
- Multiple Audio Inputs: Supports Bluetooth, SD card (up to 32GB), USB drive, and 3.5mm AUX cable.
- Integrated FM Radio: Enjoy your favorite radio stations.
- Power Bank Functionality: Charge your mobile devices on the go.
- Hands-Free Calling: Built-in microphone for answering calls.
- Portable Design: Lightweight and compact for easy transport.
- Powerful Sound: 2 x 7W peak output for dynamic audio.
3. Package Contents
- Umbro Wireless Bluetooth Speaker
- Micro USB Charging Cable
- User Manual
4. Product Overview
4.1 Speaker Layout
The Umbro speaker features a sleek, cylindrical design with controls located on the underside or side panel, and various input ports at the rear.

Figure 1: Front view of the Umbro Wireless Bluetooth Speaker. This image displays the speaker's main body, showcasing its black, cylindrical form factor and the Umbro logo on one end cap.

Figure 2: The Umbro Wireless Bluetooth Speaker presented in its retail packaging. The image shows the speaker enclosed in a box, highlighting the product's branding and key features on the packaging.
4.2 Controls and Ports
Familiarize yourself with the buttons and ports on your speaker:
- Power Button: Press and hold to turn the speaker On/Off.
- Mode (M) Button: Press to switch between Bluetooth, FM Radio, AUX, SD card, and USB modes.
- Play/Pause Button: Press to play or pause audio. Also used to answer/end phone calls.
- Volume Up (+) / Next Track Button: Press to increase volume. Double-press to skip to the next track.
- Volume Down (-) / Previous Track Button: Press to decrease volume. Double-press to go to the previous track.
- Micro USB Port: For charging the speaker.
- USB-A Port: For USB drive playback and power bank function.
- SD Card Slot: For SD card playback.
- AUX Input: For connecting external audio devices via a 3.5mm cable.
5. Setup
5.1 Charging the Speaker
- Connect the supplied Micro USB cable to the speaker's Micro USB port.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate.
- A full charge takes approximately 5 to 6 hours. The indicator light will change or turn off once charging is complete.
Note: For optimal battery life, fully charge the speaker before first use.
6. Operating Instructions
6.1 Powering On/Off
- To turn ON: Press and hold the Power button until you hear an audible prompt.
- To turn OFF: Press and hold the Power button until the speaker powers down.
6.2 Bluetooth Connection
- Turn on the speaker. It will automatically enter Bluetooth pairing mode, indicated by an audible prompt.
- Enable Bluetooth on your device (smartphone, tablet, computer).
- Search for available Bluetooth devices and select "UMBRO SPEAKER" from the list.
- Once connected, you will hear a confirmation sound.
- You can now play audio from your device through the speaker.
Note: The speaker has a Bluetooth range of up to 10 meters. Ensure your device is within this range for a stable connection.
6.3 Playing Music from Other Sources
Press the Mode (M) button to cycle through the available input modes: Bluetooth, FM Radio, AUX, SD Card, and USB.
- SD Card: Insert a formatted SD card (up to 32GB) with audio files into the SD card slot. The speaker will automatically switch to SD card mode and begin playback.
- USB Drive: Insert a USB flash drive with audio files into the USB-A port. The speaker will automatically switch to USB mode and begin playback.
- AUX Input: Connect one end of a 3.5mm audio cable (not included) to the speaker's AUX input and the other end to the audio output of your external device. Switch the speaker to AUX mode.
6.4 FM Radio Operation
- Press the Mode (M) button to switch to FM Radio mode.
- Press and hold the Play/Pause button to automatically scan and save available FM stations.
- Once scanning is complete, use the Volume Up (+) and Volume Down (-) buttons to navigate between saved stations.
6.5 Call Function
When connected via Bluetooth to your smartphone:
- Answer a call: Press the Play/Pause button once.
- End a call: Press the Play/Pause button once.
- Reject a call: Press and hold the Play/Pause button.
6.6 Using as a Power Bank
The speaker can be used to charge other devices:
- Connect your mobile device's charging cable to the speaker's USB-A port.
- The speaker will begin charging your device.
Note: Using the power bank function will consume the speaker's battery. Ensure the speaker has sufficient charge before using this feature.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker. Do not use abrasive cleaners or solvents.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, charge the speaker at least once every three months if not in regular use.
- Water Resistance: This product is NOT waterproof. Avoid exposure to water or excessive moisture.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Battery is depleted. | Charge the speaker for 5-6 hours. |
| Cannot pair via Bluetooth. | Bluetooth is not enabled on your device or speaker is not in pairing mode. | Ensure Bluetooth is enabled on your device. Turn the speaker off and on again to enter pairing mode. Ensure no other device is connected. |
| No sound. | Volume is too low or audio source is paused. | Increase the volume on both the speaker and your connected device. Check if the audio source is playing. |
| SD card/USB playback not working. | Incorrect file format or card/drive not properly inserted. | Ensure audio files are in a compatible format (e.g., MP3). Reinsert the SD card/USB drive. Press the Mode button to select the correct input. |
| Poor radio reception. | Weak signal in your location. | Move the speaker to a different location, preferably near a window, and rescan for stations. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | 8711252494630 |
| Bluetooth Version | V 5.0 |
| Bluetooth Frequency Range | 2402-2480 MHz |
| Bluetooth Range | Up to 10 meters (33 feet) |
| Speaker Output Power | 2 x 7 Watts (Peak) |
| Audio Output Mode | Stereo |
| Battery Capacity | 1200 mAh |
| Charging Time | 5-6 hours |
| Playback Time | Up to 3 hours (at 50% volume) |
| Input Options | Bluetooth, SD Card (max 32GB), USB Drive, AUX (3.5mm) |
| Special Features | FM Radio, Power Bank Function, Hands-Free Calling |
| Product Dimensions (L x W x H) | 45 x 6.5 x 6.5 cm (17.7 x 2.5 x 2.5 inches) |
| Product Weight | Approximately 642 g (1.4 lbs) |
| Color | Black |
| Waterproof | No |
10. Warranty and Support
Umbro products are manufactured to high-quality standards. For information regarding warranty coverage, please refer to the warranty card included with your purchase or contact your local retailer.
For technical support or inquiries, please contact the customer service department of your point of purchase. Please have your model number (8711252494630) and proof of purchase ready.




