1. Important Safety Information
Please read all instructions carefully before using the bblüv Kübe. Keep this manual for future reference.
- This product is not a toy. Keep out of reach of children when not in use or when adult supervision is not present.
- Do not immerse the unit in water or other liquids.
- Use only the specified power source (USB cable or 3 x AA batteries).
- Do not mix old and new batteries, or different types of batteries.
- Remove batteries if the unit will not be used for an extended period.
- Ensure proper ventilation; do not cover the unit during operation.
- Avoid direct eye exposure to the projection light.
2. Product Overview
The bblüv Kübe is a versatile musical night light designed to assist with baby sleep and provide a soothing environment. It combines gentle projection with a selection of sounds to help calm and comfort infants and toddlers.

Image: The bblüv Kübe, a white cube-shaped device with teal accents and control buttons on one side.
Key Features:
- Multicolor star projection for visual stimulation.
- 15 music and sound options: 10 lullabies, 4 nature sounds, and 1 heartbeat.
- Voice-activated cry sensor to automatically activate music and/or projection.
- Automatic shut-off timer after 30 minutes.
- Includes three interchangeable projection discs: Soothing Sea, Starry Night, and Peaceful Forest.

Image: A graphic summarizing the Kübe's features: 15 music and sound options, 3 interchangeable projection themes, and automatic shut-off after 30 minutes.
3. Package Contents
Verify that all items are present in the package:
- 1 x bblüv Kübe Musical Night Light
- 3 x Projection Discs (Soothing Sea, Starry Night, Peaceful Forest)
- 1 x USB Connection Cable (for power, adapter not included)
- 1 x Instruction Manual
4. Setup
4.1 Powering the Kübe
The Kübe can be powered by either batteries or a USB connection.
- Battery Installation: Locate the battery compartment on the bottom of the unit. Insert 3 x AA batteries (not included), ensuring correct polarity (+/-). Close the compartment securely.
- USB Power: Connect the provided USB cable to the Kübe's USB port and to a compatible USB power adapter (e.g., phone charger, computer USB port, not included).
4.2 Inserting Projection Discs
- Gently twist and remove the top cover of the Kübe.
- Select one of the three projection discs (Soothing Sea, Starry Night, or Peaceful Forest).
- Place the chosen disc into the designated slot inside the Kübe, ensuring it sits flat.
- Replace the top cover, aligning it correctly.

Image: A close-up view of one of the interchangeable projection discs.
5. Operating Instructions
The Kübe features five control buttons on its front panel:

Image: The bblüv Kübe showing its control buttons: Projector, Lullaby, Loop, Repetition, and Volume.
- Projector Mode Button (Lightbulb icon): Press to turn the projection on or off. The projection will automatically shut off after 30 minutes.
- Lullaby Mode Button (Musical note icon): Press to cycle through the 10 lullabies, 4 nature sounds, and 1 heartbeat sound. Press and hold to turn the sound off. The sound will automatically shut off after 30 minutes.
- Loop Mode Button (Circular arrow icon): Activates the voice-activated cry sensor. When enabled, the Kübe will automatically turn on its last selected sound and/or projection if it detects baby's cries. It will play for 30 minutes and then shut off.
- Repetition Mode Button (Two faces icon): This button is for cycling through the projection patterns or colors if applicable. (Note: The Kübe typically projects a single pattern based on the disc, but this button may control color changes if available).
- Volume Buttons (Up/Down arrows): Adjust the sound volume. There are 5 volume levels.

Image: The bblüv Kübe projecting a starry pattern onto a dark ceiling.
6. Maintenance
To ensure the longevity and proper functioning of your bblüv Kübe:
- Clean the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Keep the projection lens and discs free from dust and fingerprints for clear projection.
- Store in a cool, dry place when not in use.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power or low batteries. | Check battery installation and replace if necessary. Ensure USB cable is securely connected to a working power source. |
| No projection. | Projector mode off, disc not inserted correctly, or room too bright. | Press the Projector Mode button. Re-insert the projection disc. Ensure the room is sufficiently dark for optimal projection. |
| No sound. | Lullaby mode off or volume too low. | Press the Lullaby Mode button to select a sound. Increase volume using the volume buttons. |
| Voice activation not working. | Loop mode not activated or ambient noise too high. | Ensure the Loop Mode button is pressed. Reduce other noise sources in the room. |
| Projection is blurry. | Lens or disc is dirty. | Clean the projection lens and disc with a soft, dry cloth. |
8. Specifications

Image: The bblüv Kübe with dimensions indicated as 4cm x 4cm x 4cm (approximately 4"D x 4"W x 4"H).
- Model: B0137
- Product Dimensions: 4"D x 4"W x 4"H (10.16 cm x 10.16 cm x 10.16 cm)
- Item Weight: 7 ounces (198 grams)
- Material: Plastic
- Power Source: 3 x AA batteries (not included) or USB connection (5V)
- Light Source Type: Infrared (for projection)
- Control Method: Push Button, Voice (via cry sensor)
- Auto Shut-Off: 30 minutes
9. Warranty and Support
For warranty information or customer support, please refer to the bblüv official website or contact their customer service department. Keep your proof of purchase for any warranty claims.
For further assistance, visit: bblüv Store on Amazon



