1. Introduction
Thank you for purchasing the Vivitar V137BT Bluetooth Speaker. This manual provides essential information for the proper setup, operation, and maintenance of your device. Please read these instructions carefully before use to ensure optimal performance and longevity of your speaker.
2. Package Contents
Please verify that all items are present in your package:
- Vivitar V137BT Bluetooth Speaker
- Micro USB Charging Cable
- User Manual (this document)
3. Product Overview
Familiarize yourself with the components of your Vivitar V137BT Bluetooth Speaker.

Figure 1: Vivitar V137BT Bluetooth Speaker, front and side view, showcasing its hexagonal shape and blue color.

Figure 2: Rear view of the Vivitar V137BT Bluetooth Speaker, showing the Micro USB charging port, LED indicator, and power switch.

Figure 3: Top view of the Vivitar V137BT Bluetooth Speaker, highlighting the speaker grille design.
Controls and Ports:
- Power Switch: Located on the rear, used to turn the speaker ON or OFF.
- Micro USB Port: Located on the rear, used for charging the internal battery.
- LED Indicator: Located on the rear, indicates charging status and Bluetooth pairing status.
4. Setup
4.1 Charging the Speaker
Before initial use, fully charge the speaker's internal battery.
- Connect the small end of the Micro USB charging cable to the Micro USB port on the speaker.
- Connect the larger end of the USB cable to a USB power source (e.g., computer USB port, USB wall adapter).
- The LED indicator will illuminate during charging. It will change color or turn off once charging is complete.
4.2 Powering On/Off
- To turn ON the speaker, slide the Power Switch to the 'ON' position. The LED indicator will flash, indicating it is ready for pairing.
- To turn OFF the speaker, slide the Power Switch to the 'OFF' position. The LED indicator will turn off.
5. Operating Instructions
5.1 Bluetooth Pairing
Follow these steps to connect your Vivitar V137BT speaker to a Bluetooth-enabled device:
- Ensure the speaker is fully charged and powered ON. The LED indicator will flash, signifying it is in pairing mode.
- Enable Bluetooth on your audio device (smartphone, tablet, computer, etc.).
- Search for available Bluetooth devices. The speaker will appear as "Vivitar V137BT" or a similar name.
- Select the speaker from the list to initiate pairing.
- Once successfully paired, the LED indicator will stop flashing and remain solid, and you may hear an audible confirmation tone.
- If pairing fails, turn off the speaker and your device's Bluetooth, then repeat the steps.
5.2 Playing Audio
After successful pairing, you can play audio from your connected device. Control playback (play/pause, volume, track selection) directly from your paired device.
6. Maintenance
6.1 Cleaning
- Ensure the speaker is powered OFF and disconnected from any power source before cleaning.
- Use a soft, dry cloth to wipe the exterior of the speaker.
- Do not use liquid cleaners, aerosols, or solvents, as these may damage the finish or internal components.
6.2 Storage
- Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid storing in dusty environments.
- If storing for an extended period, charge the battery periodically to maintain its health.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Battery is depleted. | Charge the speaker using the provided Micro USB cable. |
| Cannot pair with Bluetooth device. | Bluetooth is not enabled on the device or speaker is not in pairing mode. | Ensure Bluetooth is enabled on your device and the speaker is powered ON and flashing its LED indicator. Move devices closer. |
| No sound or low volume. | Volume on speaker or device is too low; speaker not properly paired. | Increase volume on both the speaker and your connected device. Re-pair the speaker if necessary. |
| Sound distortion. | Volume too high; device too far from speaker. | Reduce volume on your device. Move the device closer to the speaker (within 10 meters). |
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | V137BT-KM |
| Speaker Driver | 50mm |
| Maximum Power Output | 3 Watts |
| Receiver Distance | Up to 10 meters (33 feet) |
| Power Supply | Built-in rechargeable Li-ion battery |
| Wireless Technology | Bluetooth |
| Audio Output Mode | Stereo |
| Product Dimensions | 4.5 x 2.5 x 6.5 inches (11.4 x 6.35 x 16.5 cm) |
| Item Weight | 6.7 ounces (0.19 kg) |
9. Warranty and Support
For warranty information and technical support, please refer to the warranty card included with your product or visit the official Vivitar website. Keep your purchase receipt as proof of purchase for any warranty claims.





