1. Introduction
Thank you for choosing the OYAYO Upgraded Folding Piano Keyboard. This 88-key full-size semi-weighted keyboard is designed for portability and versatility, supporting MIDI and Bluetooth connectivity. It features upgraded sound effects, a durable folding mechanism, and a variety of functions to enhance your musical journey. This manual provides essential information for setting up, operating, and maintaining your new instrument.
2. What's Included
Please verify that all items listed below are included in your package:
- OYAYO Upgraded Folding Piano Keyboard (FP88D)
- Power Adapter/Charger
- Audio Cable
- Sustain Pedal
- Music Stand
- Gig Bag
- Instruction Manual

Image: The OYAYO Folding Piano Keyboard displayed with all its accompanying accessories, including the power adapter, sustain pedal, music stand, and gig bag.
3. Setup
3.1 Unfolding the Piano
The OYAYO Folding Piano Keyboard features a unique 180° folding design for easy portability and storage. To unfold, simply press the designated button on the underside of the piano and gently extend the two halves until they lock into place. Ensure the piano is fully extended and stable before use.

Image: A visual guide demonstrating how to unfold the piano by pressing a button and extending the two sections.
3.2 Powering On
The piano supports dual power modes: wired charging and built-in rechargeable lithium battery. A full charge provides approximately 10 hours of playtime.
- Wired Power: Connect the provided power adapter to the DC 12V/3A charging port on the rear of the piano and plug it into a wall outlet.
- Battery Power: Ensure the internal battery is charged. The piano can be used wirelessly when powered by the battery.

Image: An icon indicating 10 hours of battery life for the piano.
3.3 Connecting Peripherals
The piano offers multiple interfaces for various connections:
- USB-B Interface: Connects to smart devices (computer/iPad) for MIDI functionality, allowing music editing and creation.
- Line In: For audio input from external devices.
- MIC Input: For connecting a microphone.
- Sustain Pedal: Connect the included sustain pedal for expressive playing.
- Three-Pedal Jack: Supports an optional three-pedal unit.
- Headphone Jacks: Features both front and rear headphone jacks for private practice.

Image: A detailed view of the piano's multiple extension interfaces on the back panel.
3.4 Setup Videos
Video: OYAYO Upgraded Folding Piano Keyboard 88 Keys. This video provides a general overview of the piano's features and folding mechanism.
Video: Unboxing and testing video part1 - OYAYO FP88D. This video demonstrates the unboxing process and initial setup of the piano.
4. Operating Your Piano
4.1 Key Features and Controls
The control panel provides easy access to various functions:
- Volume Knob: Adjusts the overall volume of the piano.
- Tone Button: Cycles through 129 different tones (instrument sounds).
- Demo Button: Plays through 60 built-in demo songs.
- RHY (Rhythm) Button: Activates and cycles through 128 rhythm styles.
- Metronome Button: Provides a click track for practice.
- REC/Play Button: For recording and playing back your performances.

Image: The piano's control panel with various function buttons and display.
4.2 Semi-Weighted Keys
The 88 semi-weighted keys are designed to simulate the feel of an acoustic piano, with adjustable touch response. The volume and tone will vary based on how hard you press the keys, allowing for dynamic expression.

Image: Illustration of the semi-weighted keys and their touch-sensitive response.
4.3 Bluetooth & MIDI Connectivity
Connect your piano wirelessly via Bluetooth to popular learning apps like Perfect Piano and Popular Piano for an interactive learning experience. The MIDI/USB-B interface allows connection to computers and iPads for advanced music production and editing.

Image: The piano connected to a tablet and phone via Bluetooth, showcasing its MIDI and Bluetooth functions.
4.4 Sound Output Options
The piano features upgraded dual stereo speakers for rich, clear sound. For private practice, utilize the convenient front headphone jack or the rear headphone jack.

Image: The piano's upgraded sound effect features, including dual speakers and connectivity for headphones and external speakers.
4.5 Operating Videos
Video: Testing video - OYAYO FP88D folding piano 88 key. This video demonstrates various sounds and features of the piano.
Video: Testing video part2 - OYAYO FP88D folding piano 88 key. This video provides further demonstrations of the piano's sounds and capabilities.
Video: OYAYO Upgraded Folding Piano Keyboard 88 Key - FP88D. This video offers a concise overview of the piano's key features and design.
5. Maintenance
To ensure the longevity and optimal performance of your OYAYO Folding Piano Keyboard, please follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe down the surface of the piano. Avoid using abrasive cleaners or solvents, as they may damage the finish.
- Storage: When not in use, fold the piano and store it in the provided gig bag to protect it from dust and physical damage.
- Environment: Keep the piano away from direct sunlight, extreme temperatures, and high humidity, which can affect its electronic components and key action.
- Handling: Always handle the piano with care, especially when folding or unfolding, to prevent damage to the hinges and internal mechanisms.
6. Troubleshooting
If you encounter any issues with your OYAYO Folding Piano Keyboard, please refer to the following common troubleshooting tips:
- No Sound: Check that the piano is powered on, the volume is turned up, and any connected headphones or external speakers are properly plugged in and powered.
- Keys Not Responding: Ensure the piano is fully unfolded and locked. If using battery power, check the battery level.
- Connectivity Issues: For Bluetooth, ensure the piano is in pairing mode and your device's Bluetooth is enabled. For MIDI/USB, check cable connections and device drivers.
- Distorted Sound: Lower the volume. Check audio cable connections for any damage or loose fittings.
If the problem persists after trying these steps, please contact OYAYO customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | FP88D |
| Number of Keys | 88 |
| Key Type | Semi Weighted, Touch-Sensitive |
| Connectivity Technology | Bluetooth, USB Type B, Auxiliary |
| Power Source | Battery Powered (Rechargeable Lithium Battery) |
| Item Weight | 15.07 pounds (approx. 6.83 kg) |
| Package Dimensions | 29 x 13 x 8 inches |
| Color | Black |
| Skill Level | Beginner |
8. Warranty and Support
Your OYAYO Folding Piano Keyboard is covered by a manufacturer's warranty. For specific warranty details, including duration and coverage, please refer to the warranty card included in your product packaging or visit the official OYAYO website.
For technical support, troubleshooting assistance, or any inquiries regarding your product, please contact OYAYO customer service through the contact information provided in your product documentation or on the brand's official website.
We are committed to providing you with the best possible musical experience.