Introduction
The WS-918 Radio Multimedia Stereo Speaker is a compact and portable audio device designed for versatile music playback and FM radio reception. Crafted from high-quality aluminum, it offers an elegant and stylish appearance. This device supports various audio sources including Micro SD/TF cards, USB flash drives, and external devices via its Line-IN function. It features a built-in rechargeable battery for extended use.

Image Description: A blue WS-918 Radio Multimedia Stereo Speaker is displayed on a white surface next to its product packaging. The speaker features a digital display, a speaker grille, and various ports. A blue USB charging cable with a 3.5mm audio jack is connected to the speaker. The packaging shows the model number 'WS-918' and icons indicating support for USB, SD, and TF cards.
Setup
1. Charging the Battery
- Connect the provided USB charging cable to the speaker's charging port.
- Plug the other end of the USB cable into a standard USB power adapter (DC5V) or a computer's USB port.
- The charging indicator light will illuminate during charging and turn off when the battery is fully charged.
2. Inserting Storage Devices
- Micro SD/TF Card: Gently insert a Micro SD or TF card into the designated card slot until it clicks into place. Ensure the card is inserted in the correct orientation.
- USB Flash Drive: Insert a USB flash drive into the USB port.
3. Connecting via Line-IN
To use the speaker with an external audio source (e.g., MP3 player, PC, laptop, smartphone):
- Connect one end of a 3.5mm audio cable (often included or purchased separately) to the speaker's Line-IN port.
- Connect the other end of the 3.5mm audio cable to the headphone jack or audio output port of your external device.
Operation
1. Power On/Off
- To power on the speaker, slide the power switch to the 'ON' position.
- To power off, slide the power switch to the 'OFF' position.
2. Mode Selection
Press the 'M' (Mode) button to cycle through available modes:
- FM Radio Mode: For listening to FM radio stations.
- TF/USB Playback Mode: Automatically activates when a Micro SD/TF card or USB flash drive with audio files is inserted.
- Line-IN Mode: For playing audio from an external device connected via the 3.5mm audio cable.
3. Volume Control
Use the '+' and '-' buttons to adjust the volume. Press and hold for continuous adjustment, or press briefly for incremental changes.
4. FM Radio Operation
- Switch to FM Radio Mode using the 'M' button.
- Press the 'Play/Pause' button once to initiate an automatic scan for available FM stations. The speaker will save detected stations.
- Use the 'Next' and 'Previous' buttons to navigate between saved stations.
5. Music Playback (TF/USB Mode)
- Ensure a Micro SD/TF card or USB flash drive with MP3/WMA/WAV files is inserted. The speaker should automatically switch to playback mode.
- Press the 'Play/Pause' button to start or pause playback.
- Use the 'Next' button to skip to the next track.
- Use the 'Previous' button to go back to the beginning of the current track or to the previous track.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Do not use liquid cleaners or abrasive materials.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use for extended periods.
- Storage: Store the speaker in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- Avoid Water: This device is not waterproof. Keep it away from water and other liquids.
Troubleshooting
- No Power: Ensure the battery is charged. Connect the speaker to a power source and try again.
- No Sound: Check the volume level on both the speaker and the connected external device (if using Line-IN). Ensure the correct mode is selected.
- Cannot Play from TF Card/USB Drive: Verify that the storage device is inserted correctly and contains supported audio formats (MP3, WMA, WAV). Try another storage device to rule out a faulty card/drive.
- Poor FM Radio Reception: Extend the antenna fully. Try repositioning the speaker to improve signal reception.
- Distorted Sound: Reduce the volume. Ensure the audio source is not overdriven. Check for proper connection in Line-IN mode.
Specifications
| Feature | Specification |
|---|---|
| Model | WS-918 |
| Material | Aluminium |
| Power Source | Li-ion battery / DC5V |
| Speaker Output Power | 5 Watts |
| Speaker Unit | 2 inch, 4 ohm, 5W |
| Frequency Response | 180 Hz - 18 KHz |
| Signal-to-Noise Ratio (SNR) | 85 dB |
| Music Format Support | MP3, WMA, WAV |
| Connectivity Technology | USB |
| Tuner Technology | FM |
| Radio Bands Supported | FM |
| Special Features | Portable, Rechargeable |
| Included Components | Battery |
| USB Power | 3.75 V |
| Compatible Devices | PC, Notebook, DVD, MP3, MP4 |
| Package Size | 12 x 7 x 7 cm |
| Package Weight | 300 g |
Warranty and Support
Information regarding warranty coverage and customer support for the WS-918 Radio Multimedia Stereo Speaker was not provided in the product details. Please refer to your purchase documentation or contact the retailer for specific warranty terms and support options.





