1. Introduction
The LIELONGREN USB Computer Speaker (Model: LLR055) is designed to provide enhanced audio for your desktop, laptop, or PC. Featuring built-in dual 3W high-sensitive drivers and a passive radiator, it delivers stereo sound with rich, powerful bass. Its plug-and-play design ensures easy setup without the need for additional drivers or software. The compact and portable form factor makes it ideal for various setups, from home offices to on-the-go use.
Figure 1.1: LIELONGREN USB Computer Speaker
2. What's in the Box
Upon opening the package, verify that all items listed below are present and in good condition:
- LIELONGREN USB Computer Speaker (Model: LLR055)
- Integrated USB Cable (3.8 ft)
- User Manual
Video 2.1: Unboxing the LIELONGREN USB Computer Speaker. This video demonstrates the contents of the speaker's packaging, including the speaker unit, its integrated USB cable, and the user manual.
3. Setup
The LIELONGREN USB Computer Speaker is designed for simple plug-and-play functionality. No drivers or complex software installations are required.
3.1 Connecting to Your Computer
- Locate an available USB port on your computer (desktop or laptop).
- Plug the integrated USB cable from the speaker into the USB port.
- Your computer should automatically recognize the speaker as an audio output device.
Figure 3.1: Speaker with integrated USB cable (3.8ft)
3.2 System Compatibility
The speaker is broadly compatible with various operating systems and devices:
- Windows PCs and Laptops
- macOS Computers (MacBook, Mac mini, etc.)
- Chrome OS Devices (Chromebooks)
- Linux Systems
- Some gaming consoles (e.g., Xbox, PlayStation 4)
Figure 3.2: Broad System Compatibility
3.3 Setting as Default Audio Device (Windows Example)
If the speaker does not automatically become the default audio output, follow these steps:
- Plug the speaker into your computer's USB port.
- Click the "Speaker" icon in the taskbar (usually bottom-right).
- Expand "Choose Output Device".
- Select "Speaker (USB2.0 Device)" as your sound output device.
Figure 3.3: Setting up on Windows
Video 3.1: USB Computer Speakers - Plug & Play. This video demonstrates the simple plug-and-play setup of the speaker and its immediate functionality.
4. Operating Instructions
The LIELONGREN USB Computer Speaker features intuitive touch controls for easy audio management.
4.1 Volume Control
The top of the speaker features touch-sensitive buttons for volume adjustment:
- Volume - (Minus): Tap to decrease volume.
- Mute (X icon): Tap to mute or unmute the audio. A red indicator light will show when muted.
- Volume + (Plus): Tap to increase volume.
Figure 4.1: Speaker Touch Controls
5. Features
Key features of the LIELONGREN USB Computer Speaker include:
- Stereo Sound & Enhanced Bass: Built-in dual 3W high-sensitive drivers and a passive radiator deliver rich, powerful bass and immersive audio.
- Plug and Play Convenience: Connect via USB cable to your computer or laptop for instant audio without drivers or software.
- Versatile Compatibility: Works with Windows PCs, laptops, macOS, Chrome OS, Linux, and some gaming consoles.
- Easy Touch Control: Seamless volume adjustment and mute/unmute functionality via touch-sensitive buttons.
- Compact and Portable Design: Small size (7.17"W x 2.2"D x 1.81"H) and lightweight (0.54 lbs) for easy placement and transport.
Figure 5.1: Internal Components for Enhanced Sound
Figure 5.2: Compact Size and Touch Control
6. Specifications
| Attribute | Detail |
|---|---|
| Brand | LIELONGREN |
| Model Name | LLR055 |
| Speaker Type | Soundbar |
| Connectivity Technology | USB |
| Audio Output Mode | Stereo |
| Speaker Maximum Output Power | 8 Watts |
| Frequency Response | 20 KHz |
| Input Voltage | 5 Volts (DC) |
| Power Source | Corded Electric |
| Control Method | Touch |
| Product Dimensions (LxWxH) | 7.17" x 2.2" x 1.81" |
| Item Weight | 0.54 Pounds (8.7 ounces) |
| Color | Black |
| Included Components | User Manual |
7. Maintenance
To ensure the longevity and optimal performance of your LIELONGREN USB Computer Speaker, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the speaker's surface. Avoid using liquid cleaners or abrasive materials, as they may damage the finish or internal components.
- Storage: When not in use for extended periods, store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Handle the speaker with care. Avoid dropping it or subjecting it to strong impacts, which can damage the internal drivers or casing.
- Cable Care: Do not pull on the USB cable to disconnect the speaker. Always grasp the plug firmly. Avoid bending or kinking the cable excessively.
8. Troubleshooting
If you encounter any issues with your speaker, please refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speaker | Speaker not properly connected. Incorrect audio output device selected. Volume too low or muted. | Ensure the USB cable is securely plugged into a working USB port. Verify that "Speaker (USB2.0 Device)" is selected as the default playback device in your computer's sound settings (refer to Section 3.3). Increase volume using the '+' button on the speaker or your computer's volume controls. Ensure the speaker is not muted (red light off). |
| Sound distortion or poor quality | Volume set too high. Audio source quality is low. Interference. | Reduce the volume on the speaker or your computer. Try playing audio from a different source to check if the issue persists. Move the speaker away from other electronic devices that might cause interference. |
| Speaker not recognized by computer | Faulty USB port. Temporary software glitch. | Try plugging the speaker into a different USB port on your computer. Restart your computer. |
If the problem persists after trying these steps, please contact customer support.
9. Warranty and Support
The LIELONGREN USB Computer Speaker comes with a limited warranty. Please refer to the warranty information provided in your product packaging for specific terms and conditions.
For technical support, troubleshooting assistance, or warranty claims, please contact LIELONGREN customer service through the retailer where you purchased the product or visit the official LIELONGREN website for contact details.
