Introduction
Thank you for choosing the PSA RFR-106 Portable Bluetooth Speaker. This compact and versatile speaker is designed for easy transport and sharing your music wherever you go. Featuring Bluetooth wireless connectivity, FM radio, AUX input, and support for SD/Micro SD cards, it's suitable for various activities, including outdoor conferences and general entertainment.
What's Included
- PSA RFR-106 3-inch Bluetooth Speaker
- USB Charging Cable
- User Manual (this document)
Important Safety Information
- Do not expose the speaker to water or moisture. This product is not waterproof.
- Do not disassemble, repair, or modify the speaker.
- Keep the speaker away from extreme temperatures, direct sunlight, and heat sources.
- Use only the specified charging voltage (5V 1A) and the provided USB cable.
- Keep out of reach of children.
Product Overview
Familiarize yourself with the components and controls of your PSA RFR-106 speaker.

Figure 1: PSA RFR-106 Portable Bluetooth Speaker with its packaging and included USB charging cable.

Figure 2: Front view of the speaker, highlighting the speaker grille and top control panel.
Control Panel Layout
- Power Button / Mode Button (M): Press and hold to power on/off. Short press to switch between Bluetooth, FM Radio, and AUX modes.
- Previous Track / Volume Down (-): Short press for previous track. Long press to decrease volume.
- Play/Pause Button: Short press to play or pause music. In FM mode, short press to auto-scan and save stations.
- Next Track / Volume Up (+): Short press for next track. Long press to increase volume.
- Link Bits Logo: Indicates the brand.
Ports and Indicators
- Micro USB Charging Port: For charging the speaker.
- AUX Input: For wired audio connection.
- Micro SD Card Slot: For playing music directly from a Micro SD card.
- USB Port: For playing music directly from a USB drive.
- LED Indicator: Shows charging status and Bluetooth pairing status.
Setup Guide
1. Charging the Speaker
- Connect the small end of the included USB charging cable to the Micro USB port on the speaker.
- Connect the larger end of the USB cable to a 5V 1A USB power adapter (not included) or a computer's USB port.
- The LED indicator will illuminate during charging and turn off once fully charged.
- A full charge typically takes 1-2 hours.
2. Powering On/Off
- To Power On: Press and hold the Power/Mode (M) button for a few seconds until you hear an audible prompt.
- To Power Off: Press and hold the Power/Mode (M) button again for a few seconds until the speaker turns off.
3. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode. If not, short press the Mode (M) button to switch to Bluetooth mode (you will hear a prompt). The LED indicator will flash, indicating it's ready for pairing.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "VA373T" or "RFR-106" from the list of found devices.
- Once paired, the speaker will emit a confirmation sound, and the LED indicator will stop flashing and remain solid.
- You can now play audio from your device through the speaker.
4. AUX Input Mode
- Connect one end of a 3.5mm audio cable (not included) to the AUX port on the speaker.
- Connect the other end of the audio cable to the headphone jack of your audio source (e.g., MP3 player, computer).
- Short press the Mode (M) button until you hear the "AUX mode" prompt.
- Audio will now play through the speaker from your connected device.
5. Micro SD Card / USB Playback
- Insert a Micro SD card or USB drive (with MP3 audio files) into the respective slot on the speaker.
- The speaker will automatically switch to Micro SD/USB mode and begin playing music. If not, short press the Mode (M) button to cycle through modes until you reach Micro SD/USB mode.
6. FM Radio Mode
- Short press the Mode (M) button to switch to FM Radio mode.
- To auto-scan and save available FM stations, short press the Play/Pause button. The speaker will scan and store stations automatically.
- Use the Previous Track (-) and Next Track (+) buttons to navigate between saved stations.
7. TWS (True Wireless Stereo) Function (If Applicable)
The product description mentions "Connect wirelessly with 2 speakers," suggesting a TWS function. If you have two PSA RFR-106 speakers, you may be able to pair them for stereo sound. Specific instructions for TWS pairing are not provided in the product details, but typically involve:
- Power on both speakers.
- Ensure both are in Bluetooth pairing mode.
- On one speaker, long press a specific button (often the Play/Pause or Mode button) to initiate TWS pairing.
- Once paired, connect your device to the primary speaker via Bluetooth.
Please refer to any additional documentation or the manufacturer's website for detailed TWS instructions if this feature is crucial for your use.
Operating Instructions
Playing Music
- Play/Pause: Short press the Play/Pause button.
- Next Track: Short press the Next Track (+) button.
- Previous Track: Short press the Previous Track (-) button.
Adjusting Volume
- Volume Up: Long press the Next Track (+) button.
- Volume Down: Long press the Previous Track (-) button.
Care and Maintenance
- Cleaning: Wipe the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, fully charge the speaker before first use and recharge it at least once every three months if not used regularly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Battery is depleted. | Charge the speaker using the provided USB cable. |
| Cannot pair via Bluetooth. | Speaker is not in pairing mode; Bluetooth is off on device; device is too far. | Ensure speaker is in Bluetooth mode (flashing LED). Enable Bluetooth on your device. Move device closer to speaker (within 10 meters). |
| No sound from speaker. | Volume is too low; incorrect mode selected; cable not connected properly (AUX). | Increase speaker and device volume. Ensure correct mode (Bluetooth, AUX, SD/USB, FM) is selected. Check AUX cable connection. |
| FM radio reception is poor. | Weak signal; environmental interference. | Move the speaker to a different location. Re-scan for stations. |
Technical Specifications
| Model: | RFR-106 (VA373T) |
| Speaker Type: | Woofer |
| Speaker Size: | 3 Inches |
| Output Power: | 5W |
| Frequency Response: | 100Hz-20KHz |
| Signal-to-Noise Ratio: | 80dB |
| Connectivity Technology: | Bluetooth, AUX |
| Additional Features: | FM Radio, Micro SD Card Slot, USB Playback |
| Power Source: | Battery Powered |
| LINE-IN Input: | 5V 1A |
| Battery Type: | Rechargeable Lithium Battery |
| Battery Capacity: | 500mAh |
| Battery Life: | Up to 5 hours (depending on usage and volume level) |
| Portability: | Yes |
| Waterproof: | No |
| Material: | Plastic |
| Product Dimensions: | 6 x 10 x 14 cm |
| Product Weight: | 0.25 KG (250g) |
Warranty and Support
For warranty information or technical support, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.





