1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your CYBORIS T203 White Noise Machine, Bluetooth Speaker, Digital Alarm Clock, and RGB Night Light. Please read this manual thoroughly before using the device to ensure proper function and safety.
2. Product Components
Familiarize yourself with the various parts and controls of your CYBORIS T203 device.

Figure 2.1: Front and Top Panel Controls
This image displays the primary controls and display of the CYBORIS T203. The top panel features eight individual sliders for mixing natural sounds, a 'SNOOZE DIMMER' knob for volume and display brightness, and various function buttons. The front LED display shows the time and alarm status.

Figure 2.2: Rear Panel Ports and Switches
The rear panel of the device includes the DC IN 5V charging port, an ON/OFF switch, buttons for adjusting alarm volume and switching between 12H/24H time format, a USB port for charging external devices, and a 3.5mm headphone jack for private listening.
3. Setup
- Power Connection: Connect the device to a 5V DC power source using the provided USB-C cable. Ensure the power adapter (not included) meets the 5V output requirement.
- Battery Installation: For clock backup power, install 2 AAA batteries (included) into the battery compartment located on the bottom of the device.
- Initial Power On: Locate the ON/OFF switch on the rear panel and slide it to the 'ON' position. The LED display will illuminate.
4. Operating Instructions
4.1. Setting Time and Alarm
- Set Time: Press and hold the 'Time Set' button (located near the SNOOZE DIMMER knob) until the time digits flash. Use the 'Previous Track' (
) and 'Next Track' (
) buttons to adjust the hours and minutes. Press 'Time Set' again to confirm each setting. - Set Alarm: Press and hold the 'Alarm Setting' button (
) until the alarm time digits flash. Use the 'Previous Track' and 'Next Track' buttons to set the desired alarm time. Press 'Alarm Setting' again to confirm. - Activate/Deactivate Alarm: Briefly press the 'Alarm Setting' button to toggle the alarm on or off. An alarm icon will appear on the display when active.
- Adjust Alarm Volume: Use the '+' and '-' buttons on the rear panel, labeled 'Alarm Volume', to adjust the alarm sound level.
- 12H/24H Time Format: Briefly press the '12H/24H' button on the rear panel to switch between 12-hour and 24-hour time formats.
4.2. Adjusting Display Brightness
Rotate the 'SNOOZE DIMMER' knob to adjust the brightness of the LED display. This knob allows for fine-tuning the display intensity, including turning it completely off for undisturbed sleep.

Figure 4.1: Display Brightness Levels
The LED display offers multiple brightness settings, including an option to turn the display completely off. This feature allows users to customize the display visibility to their preference, ensuring it does not disturb sleep.
4.3. White Noise and Natural Sounds
The device features eight distinct natural sounds: Stream, Rain, Wave, Bird, Hurricane, Ambient, Fan, and Piano. Each sound has a dedicated slider on the top panel.
- Selecting and Mixing Sounds: Move the individual sliders up or down to adjust the volume of each sound. You can mix multiple sounds simultaneously to create your preferred acoustic environment.
- Overall Volume: The 'SNOOZE DIMMER' knob also controls the overall volume of the mixed sounds.

Figure 4.2: Slide Knob Tuning for Sound Mixing
This image illustrates the unique slide knob tuning design. Users can individually adjust the volume of eight different natural sounds by moving the corresponding sliders, allowing for personalized sound combinations.
4.4. Bluetooth Speaker Function
- Enter Bluetooth Mode: Press the 'Power Mode' button (
) to cycle through modes until 'BT' appears on the display, indicating Bluetooth pairing mode. - Pairing: On your mobile device, enable Bluetooth and search for 'T203'. Select it to pair. A confirmation sound will play upon successful connection.
- Music Playback: Use the 'Play/Pause' button (
) to control playback. Use 'Previous Track' and 'Next Track' buttons to skip songs. - Call Handling: When a call comes in, press the 'Play/Pause' button to answer or end the call.
4.5. RGB Night Light
The device features an RGB ambient lighting system.
- Changing Light Modes: Press the 'Light Switch/Toggle' button (
) to cycle through various RGB light modes and colors. - Warm Light Option: One of the modes provides a yellow-toned warm light, suitable for night-time illumination without glare.
4.6. Sleep Timer
The 'SLEEP' button on the rear panel allows you to set a sleep timer. Press the 'SLEEP' button to cycle through available timer durations (e.g., 30, 60, 90 minutes) after which the sound and light will automatically turn off.
4.7. Headphone Use
For private listening, connect standard 3.5mm headphones to the headphone jack on the rear panel of the device.
Video 4.1: CYBORIS T203 Product Overview
This official product video provides a visual overview of the CYBORIS T203, showcasing its functions as a white noise machine with customizable sound mixes, a Bluetooth speaker, a digital alarm clock with LED display, and an RGB night light. It highlights the ease of use and versatility of the device.
5. Maintenance
To ensure the longevity and optimal performance of your CYBORIS T203, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners, aerosols, or abrasive materials, as these can damage the finish or internal components.
- Storage: When not in use for extended periods, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Environment: Keep the device away from water, high humidity, and dusty environments.
6. Troubleshooting
If you encounter issues with your CYBORIS T203, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | No power connection or switch is off. | Ensure the DC IN 5V cable is securely connected and the ON/OFF switch on the rear panel is in the 'ON' position. |
| No sound or low volume from white noise/Bluetooth. | Sound sliders are down, main volume is low, or Bluetooth not connected. | Adjust individual sound sliders and the 'SNOOZE DIMMER' knob for overall volume. For Bluetooth, ensure successful pairing. |
| Alarm does not sound. | Alarm not activated or alarm volume is too low. | Briefly press the 'Alarm Setting' button to ensure the alarm icon is displayed. Adjust alarm volume using the '+' and '-' buttons on the rear. |
| LED display is too bright/dim or off. | Dimmer setting is adjusted. | Rotate the 'SNOOZE DIMMER' knob to adjust the display brightness to your preference. |
| Cannot pair via Bluetooth. | Device not in pairing mode or interference. | Press the 'Power Mode' button until 'BT' appears. Ensure your mobile device's Bluetooth is on and try restarting both devices. |
7. Specifications
- Model Number: T203
- Brand: CYBORIS
- Product Dimensions: 7.28 x 3.74 x 3.19 inches
- Item Weight: 0.6 Kilograms (1.32 Pounds)
- Batteries: 2 AAA batteries (included for clock backup)
- Material Type: Plastic
- Power Input: DC IN 5V
8. Warranty and Support
For warranty information and customer support, please refer to the product packaging or contact CYBORIS customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.