1. Introduction
This manual provides essential information for the proper setup, operation, and maintenance of your WSTER Classic Portable Solar Bluetooth Speaker, Model WS-698. Please read this manual thoroughly before using the product to ensure optimal performance and safety.
The WSTER WS-698 is a versatile portable speaker designed with a retro bus aesthetic, offering multiple audio playback options including Bluetooth, FM Radio, TF card, USB, and AUX input. It features a solar charging panel and LED lights for enhanced functionality and ambiance.
2. Safety Instructions
- Do not expose the speaker to extreme temperatures, direct sunlight for prolonged periods (beyond charging needs), or high humidity.
- Avoid dropping or subjecting the speaker to strong impacts.
- Keep the speaker away from water and other liquids.
- Do not attempt to disassemble, repair, or modify the speaker. This will void the warranty.
- Use only the provided charging cable or a certified equivalent.
- Ensure proper ventilation when charging.
- Keep out of reach of children.
3. Package Contents
- WSTER Classic Portable Solar Bluetooth Speaker (Model WS-698)
- Power Cable
- Quick Start Guide
4. Product Overview
The WSTER WS-698 speaker is designed to resemble a classic retro bus, incorporating modern audio technology with a unique aesthetic. It features a solar panel on the roof for convenient outdoor charging.

Image: Front-side view of the WSTER Classic Portable Solar Bluetooth Speaker, Model WS-698, in black and white, showcasing its retro bus design and solar panel.

Image: Rear view of the WSTER Classic Portable Solar Bluetooth Speaker, highlighting the control panel with buttons for power/mode, previous track/volume down, play/pause, next track/volume up, and various ports including DC5V, USB, TF card slot, and AUX input.
Controls and Ports:
- Power/Mode Button (①/M): Press and hold to power on/off. Short press to switch between modes (Bluetooth, FM, TF, USB, AUX).
- Previous Track/Volume Down (◀◀/♫): Short press for previous track. Long press to decrease volume.
- Play/Pause (▶▶): Play or pause audio. 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.
- DC5V Port: For charging the speaker via USB cable.
- USB Port: For USB drive playback.
- TF Card Slot: For TF (MicroSD) card playback.
- AUX Input: For connecting external audio devices via a 3.5mm audio cable.
5. Setup
5.1. Charging the Speaker
The speaker can be charged via its integrated solar panel or the included USB cable.
- Solar Charging: Place the speaker with the solar panel facing direct sunlight. The solar panel will convert sunlight into electrical energy to charge the internal battery.
- USB Charging: Connect the provided USB cable to the DC5V port on the speaker and the other end to a USB power adapter (not included) or a computer USB port. The charging indicator light will illuminate.

Image: The WSTER speaker positioned outdoors, with sunlight directly hitting its solar panel, indicating solar charging functionality.
5.2. Power On/Off
Press and hold the Power/Mode (①/M) button for approximately 3 seconds to power the speaker on or off. A voice prompt will indicate the power status.
5.3. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode. If not, short press the Power/Mode (①/M) button to switch to Bluetooth mode. A voice prompt will confirm "Bluetooth Mode" and the LED lights will flash, indicating it's ready for pairing.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "WS-698" from the list of devices.
- Once paired, a voice prompt will confirm "Connected" and the LED lights will stop flashing.

Image: The WSTER speaker wirelessly connected to a smartphone, illustrating the instant pairing feature.
5.4. TWS (True Wireless Stereo) Pairing
To achieve true wireless stereo sound, you can pair two WS-698 speakers together:
- Ensure both WS-698 speakers are powered on and in Bluetooth mode, but not yet connected to any device.
- On one of the speakers (this will be the master speaker), double-press the Play/Pause (▶▶) button. The speaker will emit a pairing tone.
- The two speakers will automatically connect to each other. A voice prompt will confirm successful TWS pairing.
- Now, connect your mobile device to the master speaker via Bluetooth as described in section 5.3. Audio will play through both speakers in stereo.

Image: Two WSTER speakers wirelessly connected to each other and a smartphone, demonstrating the TWS pairing feature for stereo audio.
6. Operating Instructions
6.1. Bluetooth Mode
- After successful Bluetooth pairing (see section 5.3), you can play audio from your connected device.
- Use the Previous Track/Volume Down (◀◀/♫) and Next Track/Volume Up (▶▶/♫) buttons for track navigation.
- Long press the Previous Track/Volume Down (◀◀/♫) or Next Track/Volume Up (▶▶/♫) buttons to adjust the volume.
- Press the Play/Pause (▶▶) button to pause or resume playback.
6.2. FM Radio Mode
- Short press the Power/Mode (①/M) button to switch to FM Radio mode. A voice prompt will confirm "FM 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/Volume Down (◀◀/♫) and Next Track/Volume Up (▶▶/♫) buttons to navigate through saved stations.
- Long press the Previous Track/Volume Down (◀◀/♫) or Next Track/Volume Up (▶▶/♫) buttons to adjust the volume.
6.3. TF Card Playback
Insert a TF (MicroSD) card with MP3 audio files into the TF card slot. The speaker will automatically switch to TF card mode and begin playback. Use the track and volume buttons as described in Bluetooth mode.
6.4. USB Playback
Insert a USB flash drive with MP3 audio files into the USB port. The speaker will automatically switch to USB mode and begin playback. Use the track and volume buttons as described in Bluetooth mode.
6.5. AUX Input
Connect an external audio device (e.g., MP3 player, laptop) to the AUX port using a 3.5mm audio cable (not included). The speaker will automatically switch to AUX mode. Control playback and volume from your connected device.
6.6. LED Lights
The speaker features built-in LED lights that illuminate during operation, adding a visual element to your audio experience. These lights are synchronized with the audio playback.
Video: A blue and white WSTER bus-shaped speaker playing music with its LED headlights flashing, demonstrating the party lights feature and sound quality.
Video: A blue and white WSTER bus-shaped speaker showcasing its LED lights and various ports on the rear, emphasizing its portable design.
Video: A black and white WSTER bus-shaped speaker with flashing LED lights, demonstrating its retro design and audio capabilities.
Video: A red and white WSTER bus-shaped speaker with a visible solar panel on top, highlighting its solar charging feature.
Video: A black and white WSTER bus-shaped speaker with LED ambient lights, showcasing the visual effects during operation.
Video: A red and white WSTER bus-shaped speaker demonstrating its retro design and functionality.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of 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 when not in use for extended periods.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker using the USB cable or solar panel. |
| No sound. | Volume too low; device not connected; incorrect mode. | Increase volume; ensure device is paired/connected; switch to correct mode (Bluetooth, FM, TF, USB, AUX). |
| Bluetooth pairing fails. | Speaker not in pairing mode; device too far; interference. | Ensure speaker is in Bluetooth pairing mode; move device closer; turn off other Bluetooth devices. |
| FM radio reception is poor. | Weak signal; environmental interference. | Relocate the speaker to an area with better reception; perform auto-scan again. |
| TF card/USB playback not working. | Card/drive not inserted correctly; unsupported file format; corrupted files. | Reinsert card/drive; ensure files are MP3 format; try a different card/drive. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | WSTER |
| Model Number | WS-698 |
| Product Dimensions | 8.07 x 3.3 x 3.86 inches (20.5cm L x 8.4cm W x 9.8cm H) |
| Item Weight | 1.03 pounds (467 Grams) |
| Connectivity Technology | Bluetooth |
| Special Features | AUX, LED Light, Lightweight, Portable, TF Card Support, USB Playback, Solar Charging |
| Tuner Technology | FM |
| Battery | 1 Nonstandard Battery (included) |
| Recommended Uses | For Music Players, For Smartphones or Tablets, For Surround Sound Systems |

Image: The WSTER speaker with its length, width, and height dimensions clearly indicated in both inches and centimeters.
10. Warranty and Support
For warranty information and customer support, please refer to the Quick Start Guide included in your package or contact WSTER customer service through their official channels. Keep your purchase receipt as proof of purchase for any warranty claims.