Introduction
Thank you for choosing the BUSP-HYY B-3576 Computer Speaker. This speaker is designed to provide clear stereo sound with dynamic LED lighting, offering both wired USB and wireless Bluetooth connectivity. This manual provides essential information for setting up, operating, and maintaining your speaker to ensure optimal performance.
The speaker features upgraded 2x3W technology for a wide dynamic range, improved bass, and lower distortion. It includes 4 LED modes and is compatible with various devices and operating systems.
Package Contents
Please verify that all items are present in your package:
- 1 x BUSP-HYY B-3576 Computer Speaker
- 1 x USB-C Adapter
- 1 x User Manual (this document)
Setup Instructions
1. Wired USB Connection (PC Mode)
This method provides both power and audio through a single USB cable, offering a plug-and-play experience without requiring additional drivers.
- Connect the USB cable from the speaker to an available USB port on your computer (laptop, desktop PC, etc.). The speaker will automatically power on.
- If connecting to a device with a USB-C port (e.g., MacBook Pro/Air), use the provided USB-C adapter.
- Press the "M" button on the speaker to switch to PC (USB) mode.
- Ensure your computer's sound settings are configured to output audio through the connected USB speaker.
- Adjust the volume on both your computer and the speaker to your desired level.

Image: Wired USB Connection. The speaker connects to various devices like laptops and desktops via a USB cable for power and audio.

Image: USB with Type C Adapter. The speaker connected to a laptop using the included USB-C adapter, demonstrating compatibility with various devices.
2. Bluetooth Connection
The speaker features built-in V5.3 Bluetooth technology for wireless audio streaming from compatible devices. Note: The speaker still requires USB power in Bluetooth mode.
- Plug the USB connector into a power source (e.g., a USB wall adapter, power bank, or computer USB port). The speaker will power on.
- Press the "M" button on the speaker to change to Bluetooth mode. You will hear an audible prompt or see an indicator light change.
- On your smartphone, tablet, or other Bluetooth-enabled device, open the Bluetooth settings.
- Search for available devices and select "E-3576" to pair.
- Once connected, adjust the volume on both your device and the speaker.

Image: Bluetooth Speaker Connection. A smartphone's Bluetooth settings showing "E-3576" connected, with the speaker powered via USB.
Operating Instructions
Control Buttons
The speaker features intuitive control buttons located on the top panel:
- Volume Down Button:
- Short Press: Decrease volume.
- Long Press: Play previous song (in Bluetooth mode).
- Play/Pause Button:
- Short Press: Play or pause the song.
- Volume Up Button:
- Short Press: Increase volume.
- Long Press: Play next song (in Bluetooth mode).
- "M" (Mode/Light) Button:
- Short Press: Change connection mode (USB or Bluetooth).
- Long Press: Turn on/off the LED lights and cycle through light modes.

Image: Easy-Access Control. Detailed view of the speaker's control panel, illustrating functions for volume, play/pause, mode, and light control.
Dynamic Light Effects
The speaker features integrated LED lights with multiple modes to enhance your listening experience. There are 4 primary LED modes:
- Rainbow Color Flowing
- Changing Color Pulsing
- Single Color Changing
- Solid Color
- Lights Off
To cycle through these light effects or turn the lights on/off, perform a long press on the "M" button.

Image: Changeable Lighting Effects. Visual representation of the various LED light modes available on the speaker, including solid colors and dynamic rainbow effects.
Maintenance
To ensure the longevity and optimal performance of your BUSP-HYY B-3576 speaker, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the speaker's surface. Do not use liquid cleaners, aerosols, or solvents, as these 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: Avoid dropping the speaker or subjecting it to strong impacts.
- Environment: Keep the speaker away from water, excessive dust, and high humidity.
Troubleshooting
If you encounter issues with your speaker, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or low volume |
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| Bluetooth pairing failure |
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| LED lights not working or stuck |
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| Light settings reset after power cycle |
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Specifications
| Model Number | B-3576 |
| Brand | BUSP-HYY |
| Connectivity | USB (Wired), Bluetooth V5.3 |
| Audio Input | USB Cable Input / Bluetooth Connection |
| Output Power | 5W*2 (Total 10W) |
| Frequency Range | 60 Hz - 16 KHz |
| Speaker Size | 2 inch * 2 |
| Cable Length | 150 cm (59.06 in) |
| Dimensions (L x D x H) | 32 cm (12.6 in) x 6.4 cm (2.52 in) x 6 cm (2.32 in) |
| Item Weight | 0.58 Kilograms |
| Compatible Devices | Desktop, Laptop, MP3 Player, Smartphone, Tablet |
| Operating Systems | Windows (Vista/7/8/10), Mac OS, Chrome OS, etc. |

Image: Product Specification. Visual representation of the speaker's dimensions and key specifications.

Image: Immersive Powerful Sound. An internal view of the speaker highlighting its dual 6-watt drivers, rubber track diaphragms, and magnetic horns for enhanced audio.
Warranty and Support
Warranty: This product comes with a 30-day warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
Customer Support: For any questions, technical assistance, or warranty inquiries, please contact BUSP-HYY customer support through the retailer's platform or the contact information provided with your purchase. Please have your model number (B-3576) and purchase details ready.