1. Introduction
Thank you for purchasing the WSTER WS-1966 Retro Sedan Bluetooth Speaker. This manual provides detailed instructions for setting up, operating, and maintaining your device. Please read it thoroughly before use to ensure optimal performance and longevity of your speaker.
2. Package Contents
Verify that all items listed below are included in your package:
- WSTER WS-1966 Retro Sedan Bluetooth Speaker
- Power Cable (Type-C)
- Quick Start Guide

Image: The WSTER WS-1966 Retro Sedan Bluetooth Speaker shown with its included power cable and quick start guide.
3. Product Overview
The WSTER WS-1966 is a portable Bluetooth speaker designed in the style of a retro sedan. It features various control buttons and ports for versatile functionality.
Controls and Ports

Image: Rear view of the speaker highlighting the control panel and various input ports.
- M/%: Mode/Power Button (Short press to change mode, long press to power on/off)
- %: Play/Pause/Answer Call Button
- %: Previous Track/Volume Down (Short press for previous track, long press for volume down)
- %: Next Track/Volume Up (Short press for next track, long press for volume up)
- DC5V/ANT: Type-C Charging Port / FM Antenna Input
- USB: USB Playback Port
- TF: TF Card Slot
- AUX: Auxiliary Input Port
4. Setup and Basic Operation
Charging the Speaker
Before first use, fully charge the speaker. Connect the provided Type-C cable to the DC5V/ANT port on the speaker and the other end to a USB power adapter (not included). The LED indicator will show charging status.
Power On/Off
- To Power On: Press and hold the M/% button until the display lights up and you hear a power-on prompt.
- To Power Off: Press and hold the M/% button until the display turns off and you hear a power-off prompt.
Mode Switching
Short press the M/% button to cycle through available modes: Bluetooth, FM Radio, USB, TF Card, and AUX.
Video: A demonstration of the speaker's basic operations, including power on/off and mode switching.
5. Operating Instructions
Bluetooth Pairing
1. Power on the speaker. It will automatically enter Bluetooth mode (indicated by a 'BLUE' prompt on the display).
2. On your mobile device, enable Bluetooth and search for available devices.
3. Select 'WS-1966' from the list to connect. A confirmation tone will sound upon successful pairing.

Image: The WSTER WS-1966 speaker displaying 'BLUE' mode, indicating it is ready for Bluetooth connection with a smartphone.
True Wireless Stereo (TWS) Pairing
To achieve a stereo sound experience, you can pair two WS-1966 speakers together:
1. Ensure both speakers are powered on and in Bluetooth mode, but not connected to any device.
2. On one of the speakers, double-press the % (Play/Pause) button. You will hear a prompt indicating TWS pairing mode.
3. The two speakers will automatically connect to each other. A confirmation tone will sound once paired.
4. Connect your mobile device to one of the paired speakers via Bluetooth as described above. Both speakers will now play audio in stereo.

Image: Two WSTER WS-1966 speakers shown side-by-side, illustrating their ability to connect for a True Wireless Stereo experience.
FM Radio Operation
1. Switch the speaker to FM Radio mode by short pressing the M/% button.
2. For better reception, connect the Type-C cable to the DC5V/ANT port; it acts as an external antenna.
3. Long press the % (Play/Pause) button to automatically scan and save available FM stations.
4. Short press the % (Previous Track) or % (Next Track) buttons to navigate through saved stations.
USB/TF Card Playback
1. Insert a USB drive or TF card (with audio files) into the respective port.
2. The speaker will automatically switch to USB or TF Card mode and begin playing audio.
3. Use the % (Previous Track) and % (Next Track) buttons for track control, and the % (Play/Pause) button for playback control.
Call Function
When connected to a smartphone via Bluetooth:
- Answer Call: Short press the % (Play/Pause) button when an incoming call rings.
- End Call: Short press the % (Play/Pause) button during a call to hang up.
- Reject Call: Long press the % (Play/Pause) button when an incoming call rings.
- The built-in microphone allows for hands-free communication.
6. Maintenance
To ensure the longevity and performance of your WSTER WS-1966 speaker, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Avoid using abrasive cleaners, solvents, or strong chemicals, as these may damage the finish.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Water Exposure: This speaker is not waterproof. Avoid exposing it to water, rain, or excessive moisture.
- Handling: Handle the speaker with care to prevent physical damage. Avoid dropping it or subjecting it to strong impacts.
7. Troubleshooting
If you encounter issues with your speaker, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery or no charge. | Charge the speaker fully using the provided Type-C cable. |
| Cannot pair via Bluetooth. | Speaker is not in pairing mode or already connected to another device. | Ensure the speaker is in Bluetooth mode and not connected. Turn off Bluetooth on other nearby devices. Restart both the speaker and your mobile device. |
| No sound or low volume. | Volume too low on speaker or connected device; incorrect mode. | Increase volume on both the speaker and your device. Ensure the correct playback mode is selected. |
| FM radio reception is poor. | Weak signal. | Connect the Type-C cable to the DC5V/ANT port to use it as an external antenna. Try repositioning the speaker. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | WS-1966 |
| Brand | WSTER |
| Speaker Type | Portable Speaker |
| Connectivity Technology | Bluetooth |
| Bluetooth Version | 5.4 |
| Audio Output Mode | Stereo |
| Speaker Maximum Output Power | 10 Watts |
| Frequency Response | 18 KHz |
| Special Features | Built-in Microphone, LED Light, Lightweight, Portable, USB Port, TF Card Slot, FM Radio, TWS Pairing |
| Material | Polycarbonate (PC) |
| Product Dimensions | 11.06"D x 3.23"W x 4.33"H |
| Item Weight | 545 Grams (1.2 pounds) |
| Batteries | 2 Nonstandard Battery batteries required (included) |
9. Warranty and Support
WSTER products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official WSTER website. Keep your purchase receipt as proof of purchase for any warranty claims.