1. Introduction
Thank you for choosing the WSTER WS-820 Bluetooth Portable Speaker. This manual provides essential information for setting up, operating, and maintaining your speaker. Please read it thoroughly before use to ensure optimal performance and longevity of your device.
2. Package Contents
Ensure all items are present in the package:
- WSTER WS-820 Bluetooth Portable Speaker
- Power Cable
- Quick Start Guide
3. Product Overview
3.1 Controls and Indicators
Familiarize yourself with the speaker's controls and ports:

Image 1: Top control panel of the WS-820 speaker. Buttons include Bluetooth calls/Music playback, Mode (M), Open the key (Power/Play/Pause), Volume up (+), and Volume down (-).

Image 2: Rear panel of the WS-820 speaker with DC5V charging port, USB port, and TF card slot.
- Power/Play/Pause Button: Press and hold to power on/off. Briefly press to play or pause music.
- Mode (M) Button: Briefly press to switch between Bluetooth, FM Radio, USB, and TF card modes.
- Volume Up (+) Button: Briefly press for next track. Press and hold to increase volume.
- Volume Down (-) Button: Briefly press for previous track. Press and hold to decrease volume.
- DC5V Port: For charging the speaker.
- USB Port: For USB drive playback.
- TF Card Slot: For TF (MicroSD) card playback.
4. Setup
4.1 Charging the Speaker
Before first use, fully charge the speaker. Connect the provided power cable to the DC5V port on the speaker and a suitable USB power adapter (not included). The charging indicator will show the charging status.
4.2 Power On/Off
- To Power On: Press and hold the Power/Play/Pause button until you hear an audible prompt and the indicator light turns on.
- To Power Off: Press and hold the Power/Play/Pause button until you hear an audible prompt and the indicator light turns off.
4.3 Bluetooth Pairing
To connect your speaker to a Bluetooth-enabled device:
- Ensure the speaker is powered on and in Bluetooth mode. If not, briefly press the 'M' button to switch to Bluetooth mode. The speaker will indicate 'Bluetooth mode' and the indicator light will flash, signifying it's ready for pairing.
- On your mobile device, enable Bluetooth and search for available devices.
- Select 'WS-820' from the list of devices.
- Once connected, the speaker will confirm with an audible prompt, and the indicator light will stop flashing.
Your speaker is now paired and ready to play audio.
5. Operating Instructions
5.1 Music Playback (Bluetooth)
- Play/Pause: Briefly press the Power/Play/Pause button.
- Next Track: Briefly press the Volume Up (+) button.
- Previous Track: Briefly press the Volume Down (-) button.
- Increase Volume: Press and hold the Volume Up (+) button.
- Decrease Volume: Press and hold the Volume Down (-) button.
5.2 TWS (True Wireless Stereo) Pairing
To pair two WS-820 speakers for stereo sound:
- Ensure both WS-820 speakers are powered on and in Bluetooth mode, but not connected to any device.
- On one of the speakers (this will be the primary speaker), double-press the Power/Play/Pause button. You will hear a 'beep' sound.
- The two speakers will automatically connect to each other. Once connected, you will hear a confirmation sound.
- Now, connect your mobile device to the primary speaker via Bluetooth as described in section 4.3. Audio will play in stereo through both speakers.
5.3 FM Radio Mode
- Briefly press the 'M' button to switch to FM Radio mode. The speaker will announce 'FM mode'.
- To automatically scan and save available FM stations, press and hold the Power/Play/Pause button. The speaker will scan frequencies and save stations.
- Once scanning is complete, briefly press the Volume Up (+) or Volume Down (-) buttons to navigate through the saved stations.
5.4 USB/TF Card Playback
- Insert a USB drive or TF (MicroSD) card containing MP3 audio files into the respective port.
- Briefly press the 'M' button to switch to USB or TF card mode. The speaker will automatically detect and begin playing music from the inserted storage device.
- Use the Play/Pause, Volume Up (+), and Volume Down (-) buttons for music control as described in section 5.1.
5.5 Hands-Free Calling
When connected to your phone via Bluetooth, the speaker supports hands-free calling:
- Answer Call: Briefly press the Power/Play/Pause button when an incoming call rings.
- End Call: Briefly press the Power/Play/Pause button during a call.
- Reject Call: Press and hold the Power/Play/Pause button when an incoming call rings.
- Switch Audio Source (Phone/Speaker): During a call, briefly press the Power/Play/Pause button to switch the audio output between your mobile phone and the speaker.
6. Features
- Powerful 40W HD Sound: Equipped with dual 20W drivers for clear highs, strong mids, and punchy bass.
- Bluetooth 5.3: Provides stable and efficient wireless connections.
- TWS Pairing: Allows two WS-820 units to connect for an immersive stereo sound experience.
- Multiple Playback Options: Supports Bluetooth streaming, USB drive playback, TF card playback, and FM radio.
- Built-in Microphone: Enables convenient hands-free calling.
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | WS-820 |
| Brand | WSTER |
| Speaker Type | Portable Speaker |
| Speaker Maximum Output Power | 40 Watts |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Version | 5.3 |
| Audio Output Mode | Stereo |
| Special Features | Bluetooth Connection, Built-in Microphone, FM Radio, TWS, USB Port, TF Card Slot |
| Product Dimensions | 4.65"D x 10.24"W x 3.66"H |
| Item Weight | 2.64 pounds (1199.5 Grams) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Color | Black |
| Batteries | 2 Nonstandard Battery batteries required (included) |
| Frequency Response | 18 KHz |
8. 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, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use for extended periods.
- Water Resistance: This speaker is not waterproof. Avoid exposure to water or moisture.
9. Troubleshooting
If you encounter issues with your WS-820 speaker, refer to the following common problems and solutions:
- Speaker does not power on: Ensure the battery is charged. Connect the power cable and try again.
- Cannot pair via Bluetooth:
- Ensure the speaker is in Bluetooth pairing mode (indicator flashing).
- Make sure Bluetooth is enabled on your device and it is within range (typically 10 meters).
- Forget the device 'WS-820' from your phone's Bluetooth settings and try pairing again.
- Restart both the speaker and your device.
- No sound:
- Check the volume levels on both the speaker and your connected device.
- Ensure the speaker is in the correct mode (Bluetooth, USB, TF, FM).
- If using USB/TF, ensure the audio files are in a supported format (e.g., MP3).
- Poor FM radio reception:
- Move the speaker to a location with better signal reception.
- Rescan for stations.
- TWS pairing fails:
- Ensure both speakers are WS-820 models and are not connected to any other Bluetooth device before attempting TWS pairing.
- Power off and on both speakers, then try TWS pairing again.
10. Official Product Videos
For visual guidance on operating your WSTER WS-820 speaker, please refer to the following official instructional videos:
WSTER WS-820 Bluetooth Replica Speaker Portable Home Audio - Unboxing & Overview
This video provides an unboxing experience and a general overview of the WSTER WS-820 Bluetooth speaker, showcasing its design and initial setup.
The speaker instructions of WSTER
A detailed instructional video demonstrating various functions and operations of the WSTER speaker, including power on/off, Bluetooth pairing, and music controls.
The speaker instructions of WSTER 2
This video offers further instructions on advanced features and usage scenarios for the WSTER speaker, such as mode switching and call handling.
11. Warranty and Support
The WSTER WS-820 Bluetooth Portable Speaker comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact WSTER customer service through the retailer where you purchased the product or visit the official WSTER website.
