1. Introduction
Thank you for choosing the LEKATO Portable Magnetic Piano Keyboard Model 3669. This innovative instrument combines portability with comprehensive features, making it ideal for beginners, travelers, and musicians needing a versatile practice or performance tool. This manual provides detailed instructions to help you get started and make the most of your new keyboard.
2. Package Contents
Please check the box to ensure all items are present:
- LEKATO Portable Magnetic Piano Keyboard (4 modular pieces)
- Music Rest
- Sustain Pedal
- USB Type-C Charging Cable
- User Manual (this document)

Figure 2.1: All included accessories and keyboard modules.
3. Setup
3.1 Assembling the Keyboard
The LEKATO Portable Piano Keyboard consists of four magnetic modular pieces. To assemble, align the pieces and allow the magnets to snap them into place. Ensure a secure connection for stable play. The keyboard is designed for use on a flat, stable surface.

Figure 3.1: Magnetic modular assembly of the keyboard.
3.2 Charging the Keyboard
The keyboard features a built-in rechargeable battery. Connect the provided USB Type-C cable to the Type-C power jack on the keyboard and to a suitable USB power adapter (not included). The charging indicator light will show the charging status.
Video 3.1: Demonstration of the LEKATO 4-piece modular magnetic piano keyboard assembly and features.
4. Features Overview
The LEKATO Portable Magnetic Piano Keyboard offers a wide range of features to enhance your musical experience:
- Magnetic Modular Design: Allows for flexible assembly from 4 pieces, enabling portability and customizable key configurations.
- 88 Standard Spring-Action Keys: Provides a full piano range with fast rebound for responsive play.
- 128 Tones & 128 Rhythms: Explore a diverse sound palette and accompaniment styles.
- 21 Demo Songs: Pre-loaded songs for listening and learning.
- Transpose Function: Adjust the pitch of the keyboard to suit different keys.
- Split Keyboard Function: Divide the keyboard into two sections, each with a different voice or range.
- Dual Tone (Layer) Function: Play two different instrument sounds simultaneously with each key press.
- Record & Playback: Capture your performances and listen back.
- Bluetooth MIDI & USB MIDI: Connect wirelessly or via cable to learning apps, DAWs, and other music software.
- Headphone Jack: For silent practice.
- Built-in Rechargeable Battery: Provides approximately 5 hours of play time.
- Decorative Side LED Strips: Adds visual appeal during use.

Figure 4.1: Overview of the keyboard's main features.
5. Operating Instructions
5.1 Power On/Off
Locate the ON/OFF switch on the side panel of the keyboard. Slide the switch to 'ON' to power on the device. Slide to 'OFF' to power it down.
5.2 Quick Function Panel
The control panel on the left-most module provides access to various functions:

Figure 5.1: Quick Function Panel layout.
- Volume +/-: Adjust the master volume.
- Tone: Press to cycle through 128 different instrument tones. Use +/- to select.
- Demo: Press to play one of the 21 built-in demo songs. Use +/- to select.
- Rhythm: Press to select from 128 rhythm patterns. Use +/- to select.
- Trans (Transpose): Adjust the key up or down.
- Rec/Play: Press 'Rec' to start recording your performance. Press 'Play' to listen to your recorded track.
- Sus (Sustain): Activates or deactivates the sustain effect.
- Set: Press and hold 'Set' until you hear two beeps to enter advanced function mode. The first section of the keyboard will then act as control keys for functions like Drum mode, Dual tone, Split keyboard, Chord modes, Metronome, and Tempo adjustment.
6. Connectivity
6.1 Bluetooth MIDI Connection
The keyboard supports Bluetooth MIDI for wireless connection to compatible learning apps (e.g., Pop Piano App, GarageBand, Perfect Piano, EveryonePiano) and Digital Audio Workstations (DAWs) on your smartphone, tablet, or PC. Activate Bluetooth on your device and select the LEKATO keyboard from the available devices to pair.

Figure 6.1: Wireless Bluetooth MIDI connection in use.
6.2 USB MIDI Connection
For a stable, low-latency connection, use the USB Type-C port to connect the keyboard to your computer. This allows the keyboard to function as a MIDI controller for music production software.
6.3 Headphone Jack
A 3.5mm headphone jack is provided for private practice sessions. Connect standard headphones to this port to mute the internal speakers.

Figure 6.2: Keyboard connectivity ports.
Video 6.1: Demonstration of the LEKATO Piano's performance capabilities and features.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the keyboard surface. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use, disassemble the keyboard and store it in a dry, cool place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the keyboard regularly, even if not in use for extended periods.
8. Troubleshooting
- No Sound: Check the volume level. Ensure headphones are not connected if you intend to use the internal speakers. Verify the keyboard is powered on.
- Keys Not Responding: Ensure all modular pieces are securely connected. Recharge the battery if the power is low.
- Bluetooth Connection Issues: Ensure Bluetooth is enabled on both the keyboard and your device. Try unpairing and re-pairing the device. Move closer to the keyboard to reduce interference.
- Sustain Pedal Not Working: Ensure the sustain pedal is fully plugged into the correct port.
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | 3669 |
| Number of Keys | 88 |
| Tones | 128 |
| Rhythms | 128 |
| Demo Songs | 21 |
| Connectivity | Bluetooth MIDI, USB Type-C, 3.5mm Headphone Jack, 3.5mm Sustain Pedal Jack |
| Power Source | Built-in Lithium Polymer Battery (rechargeable) |
| Battery Life | Approx. 5 hours |
| Product Dimensions (Unfolded) | 52"W x 6"D x 4"H (129cm x 17cm x 10cm) |
| Product Dimensions (Folded) | 12.06"H x 6.60"W x 4.72"D (32cm x 17cm x 12cm) |
| Item Weight | 7.83 pounds (3.55 kg) |
| Material Type | Plastic |
| Color | Black |

Figure 9.1: Product dimensions in folded and unfolded configurations.
10. Warranty and Support
The LEKATO Portable Magnetic Piano Keyboard Model 3669 comes with a 1-year after-sales service. For any questions, technical assistance, or support needs, please contact LEKATO customer service. We are committed to providing responsive support to ensure your satisfaction.





