1. Introduction
Thank you for choosing the SENZER CS30 Bluetooth Computer Speakers. These speakers are designed to provide clear stereo sound with dynamic LED lighting, offering versatile connectivity options for various devices. This manual will guide you through the setup, operation, and maintenance of your new speakers.

Image: Front view of the SENZER CS30 Bluetooth Computer Speakers, showcasing its sleek design.
2. What's in the Box
- Computer Speakers x 1
- Instructions Manual x 1
- Type-C Adapter x 1
3. Specifications
| Feature | Description |
|---|---|
| Model Name | CS30 |
| Speaker Type | Soundbar |
| Connectivity Technology | USB, Bluetooth, USB-C Adapter |
| Audio Output Mode | Stereo |
| Speaker Maximum Output Power | 16 Watts (2x8W) |
| Frequency Response | 160Hz~20KHz |
| Wireless Communication Technology | Bluetooth V5.3 |
| Bluetooth Range | 10 Meters (33 feet) |
| Control Method | Touch, Rotary Knob |
| Product Dimensions | 3.7"D x 16.5"W x 3.6"H |
| Item Weight | 2.31 pounds (1.05 Kilograms) |
| Included Components | Computer Speakers*1; Instructions*1;Type-C Adapter*1 |
4. Setup
4.1 USB Mode (Plug & Play)
The SENZER CS30 speakers support USB Plug & Play, requiring no additional drivers or software. This mode is compatible with PCs, laptops, and tablets.
- Plug the USB connector into an available USB port on your computer (PC, laptop, or tablet).
- If your device uses only a Type-C port, use the included USB-C to USB adapter.
- The speakers will automatically power on and be ready for use.

Image: Diagram showing a desktop PC connected to the SENZER CS30 speakers via USB cable for audio and power.
4.2 Bluetooth Mode
For wireless audio, connect your speakers via Bluetooth. Note that Bluetooth mode still requires USB power.
- Plug the USB connector into a certified USB power supply (5V/1A-2A).
- Click the "Mode" button on the speaker to switch to Bluetooth Mode.
- On your smartphone or iPad, search for "SENZER CS30" in the Bluetooth settings and connect.

Image: Illustration of a smartphone connecting to the SENZER CS30 speakers via Bluetooth, with the speakers powered by a USB adapter.
4.3 Windows Setup
- Plug the USB connector into USB side ports on your computer.
- Adjust audio settings:
- Click the speaker icon in the taskbar and choose "CS30" as the audio output.
- Alternatively, go to Control Panel/System Preferences > Sound Settings > choose "CS30" as audio output and save changes.

Image: Screenshot showing how to select "CS30" as the audio output device in Windows settings.
4.4 Mac Setup
- Plug the USB connector into USB side ports on your Mac. (Note: If your device is the latest MacBook, please use the included USB-C to USB adapter to plug in your device).
- Adjust audio settings: Go to Control Panel/System Preferences > Sound Settings > choose "CS30" as audio output and save changes.

Image: Screenshot illustrating how to select "CS30" as the sound output in Mac System Preferences.
5. Operating Instructions
5.1 Power On/Off
- To power on: Long press the volume knob for 3 seconds.
- To power off: Long press the volume knob for 3 seconds.
5.2 Volume Adjustment
- Rotate the volume knob left to decrease volume.
- Rotate the volume knob right to increase volume.

Image: Visual guide on adjusting volume from the device, speakers, and application, featuring the SENZER CS30 volume knob.
5.3 Mode Switching
- Tap the "Mode" button (labeled with a square and slash icon) to switch between Bluetooth and USB input modes.
5.4 LED Light Modes
The speakers feature 4 adjustable LED light modes:
- Rainbow Color Cycle
- Solid Color
- Single Color Changing
- Single Color Pulsing & Changing
- Tap the "Sun" button (labeled with a sun icon) to cycle through the different lighting modes.

Image: Display of the four distinct LED lighting effects: Rainbow Flowing, Single Color Changing, Solid Color, and Single Color Pulsing & Changing.

Image: Close-up of the speaker's control panel, highlighting the Mode button, Volume knob, and Light mode button.
6. Maintenance
To ensure the longevity and optimal performance of your SENZER CS30 speakers, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the speaker's surface. Avoid using harsh chemicals, cleaning solvents, or abrasive cleaners.
- Storage: Store the speakers in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
- Handling: Avoid dropping the speakers or subjecting them to strong impacts. Do not expose them to water or excessive moisture.
- Ventilation: Ensure the speaker grilles are not obstructed to allow for proper airflow and prevent overheating.
7. Troubleshooting
If you encounter any issues with your SENZER CS30 speakers, please refer to the following troubleshooting steps:
- No sound or device not working:
- Ensure "CS30" is selected as the audio output on your device.
- Check that the speaker and device ports are securely connected.
- For desktop computers, plug the speakers into a USB or Type-C port on the desktop computer case, not the monitor.
- Too low sound:
- Turn up the volume on both your device and the CS30 speakers.
- Bluetooth connection failure:
- Long press the mode button for 3 seconds to erase and reset the Bluetooth connection, then pair again.
- Frequent switching between USB and Bluetooth modes / Electric current sound:
- Try connecting the speaker to a different USB port or another device.
If the speaker issue persists after troubleshooting, please contact our after-sales team for assistance.

Image: A visual summary of common troubleshooting steps for the SENZER CS30 speakers.
8. Warranty & Support
The SENZER CS30 speakers come with a limited warranty. For specific warranty details, please refer to the warranty card included in your product packaging.
24-Hour After-Sales Service & Quick Refund: If you have any problems with the product, please feel free to contact us. Our after-sales team is available 24/7 online to provide you with the most satisfactory solutions!
9. Product Video
Video: Official product video demonstrating the features and usage of the SENZER CS30 Bluetooth Computer Speakers for Desktop.




