Introduction
This manual provides essential instructions for the safe assembly, operation, and maintenance of your Mastela 360° Swivel 4-in-1 Bassinet Chair. Please read this manual thoroughly before use and retain it for future reference.
The Mastela 4-in-1 Bassinet Chair is designed to adapt to your child's growth, offering multiple functionalities: bassinet (lying down), resting chair (sitting), lying with automatic swing, and bedside sleeper. It features a removable mobile, mosquito net, and pillow, along with breathable mesh for visibility and ventilation.
Important Safety Warnings
- WARNING: Never leave your child unattended in the bassinet chair.
- WARNING: Always use the restraint system. Adjust it snugly.
- WARNING: Do not use this product if any components are broken, torn, or missing.
- WARNING: Do not use accessories or replacement parts other than those approved by the manufacturer.
- WARNING: Ensure the product is placed on a flat, stable, and horizontal surface.
- WARNING: Keep away from open flames and other sources of strong heat.
- WARNING: The maximum recommended weight for this product is 18 kg.
- WARNING: This product is suitable for children from 0 to 3 years old, depending on the mode of use and weight limit.
- WARNING: Only use the provided USB cable for power. Connect to a DC 5V/1A power adapter (adapter not included).
Package Contents
Verify that all components are present and undamaged before assembly.
- Main frame assembly
- Bassinet/Chair unit
- Removable mobile with toys
- Removable mosquito net
- Removable pillow
- USB power cable
- Instruction Manual (this document)
Setup and Assembly
Follow these steps to assemble your Mastela 360° Swivel 4-in-1 Bassinet Chair. It is recommended to assemble the product on a soft, clean surface to prevent damage.
1. Frame Assembly
- Unfold the main metal frame until it locks securely into place.
- Ensure all locking mechanisms are engaged before proceeding.

Image: The assembled metal frame of the bassinet chair, ready for the bassinet unit.
2. Attaching the Bassinet/Chair Unit
- Align the bassinet/chair unit with the attachment points on the main frame.
- Press down firmly until you hear a click, indicating it is securely attached.
- Verify that the unit is stable and does not wobble.

Image: The Mastela 4-in-1 Bassinet Chair fully assembled, showing the bassinet unit attached to the frame.
3. Installing Accessories
- Attach the removable mobile to the designated slot on the bassinet unit.
- Place the removable pillow inside the bassinet for added comfort.
- If desired, drape the mosquito net over the bassinet, securing it around the edges.

Image: A baby sleeping comfortably in the bassinet chair, demonstrating the use of the mobile and mosquito net.
4. Power Connection
- Connect the provided USB cable to the power port on the bassinet chair.
- Plug the other end of the USB cable into a DC 5V/1A power adapter (not included) and then into a wall outlet.
- The unit will power on, and the control panel will become active.
Operating Instructions
Modes of Use (4-in-1 Functionality)
- Bassinet Mode: For infants to lie down and sleep. Ensure the backrest is fully reclined.
- Resting Chair Mode: Adjust the backrest to an upright or semi-reclined position for the child to sit and rest.
- Automatic Swing Mode: Engage the automatic swing function for gentle motion.
- Bedside Sleeper Mode: Position the bassinet next to your bed for easy access to your child.

Image: A mother interacting with her baby in the bassinet chair, demonstrating its use as a resting chair.

Image: A child sitting upright in the bassinet chair, illustrating its use as a chair.
Control Panel and App Functions
- Power Button: Press to turn the unit on or off.
- Swing Function: Activate the automatic swing. Adjust swing speed if available.
- Timer Settings: Set the automatic swing timer for 15, 30, 45, or 60 minutes.
- Music Selection: Choose from 12 built-in melodies.
- Volume Control: Adjust the music volume.
- Mastela Baby App: Download the official Mastela Baby app to control all functions remotely via your smartphone. Follow in-app instructions for pairing.
360° Rotation and Swing Lock
- 360° Rotation: The bassinet unit can be rotated 360 degrees on its metal frame. Gently rotate the unit to your desired orientation.
- Swing Lock: To stop the automatic swing and keep the bassinet stationary, engage the swing lock mechanism located on the frame. Ensure it is fully engaged for stability.

Image: The back view of the bassinet chair, highlighting its ability to swivel 360 degrees on its base.
Care and Maintenance
- Cleaning Fabric Parts: The fabric components (bassinet lining, pillow, mosquito net) are removable. Hand wash with mild soap and cold water, or machine wash on a delicate cycle. Do not bleach. Air dry thoroughly.
- Cleaning Frame: Wipe the metal and plastic parts of the frame with a damp cloth and mild soap. Dry immediately. Do not use abrasive cleaners.
- Storage: When not in use for extended periods, disassemble the unit and store it in a clean, dry place away from direct sunlight.
- Regular Checks: Periodically inspect all parts for wear, damage, or loose fasteners. Tighten any loose screws. Replace damaged parts immediately.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | No power connection or faulty adapter. | Ensure USB cable is securely connected. Verify power adapter (DC 5V/1A, not included) is working and plugged into a live outlet. |
| Automatic swing is not working. | Swing lock engaged or power issue. | Disengage the swing lock. Check power connection. Ensure child's weight does not exceed the maximum limit. |
| Music/sounds are not playing. | Volume too low or function not activated. | Increase volume using the control panel or app. Ensure music function is selected. |
| App cannot connect to the unit. | Bluetooth/Wi-Fi issue or incorrect pairing. | Ensure Bluetooth/Wi-Fi is enabled on your device. Restart the app and the bassinet chair. Follow app pairing instructions carefully. |
Specifications
- Model Number: 3088
- Maximum Recommended Weight: 18 kg
- Recommended Age: 0 - 3 years
- Materials: Stainless Steel, Plastic, Fabric (50% Fabric, 30% Metal, 20% Plastic)
- Power Type: Electrical (USB cable included, DC 5V/1A adapter not included)
- Product Dimensions: 79 x 53 x 80 cm (L x W x H)
- Product Weight: 6 kg
- Color: Light Gray
- Certification: NM 300-1, NM 300-2, NM 300-3, NM 16040 (010010/2022)
- Features: 360° Swivel, Automatic Swing with Timer (15, 30, 45, 60 min), 12 Melodies, Touch Screen Panel, App Control (Mastela Baby App), Removable Mobile, Mosquito Net, Pillow.
Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official Mastela website. Keep your proof of purchase for warranty claims.


