Introduction
This manual provides comprehensive instructions for the operation and maintenance of your ONN X5 HiFi Music Player. Please read this manual thoroughly before using the device to ensure proper functionality and to maximize your listening experience. The ONN X5 is designed to deliver high-fidelity audio playback in a compact and user-friendly format.
Product Overview
The ONN X5 is a portable HiFi music player featuring a 2.0-inch TFT screen and an aluminum alloy shell. It supports a wide range of audio formats, including lossless files, and offers expandable storage via a MicroSD card.
Key Features:
- High-Fidelity Audio: Supports WAV, FLAC, ALAC, APE, OGG lossless formats, and high-definition music up to 24Bit/192 KHz.
- Display: 2.0-inch TFT screen (176x220 pixels) for clear navigation and information display.
- Storage: 8GB internal memory, expandable up to 32GB with a MicroSD/TF card.
- Durable Design: Lightweight aluminum alloy body (60g) for enhanced durability and reduced external interference noise.
- User Interface: Intuitive key-based operation.
- Additional Features: FM Radio support.
- Battery: High-capacity rechargeable lithium polymer battery.
- Multi-language Support: English, Russian, Korean, German, Japanese, Polish, Indonesian, Chinese.
Device Layout:

Image: Front view of the ONN X5 HiFi Music Player, showing its display and control buttons. The screen displays track information, audio quality (e.g., 24BIT, 88HHZ), and playback status.

Image: Side view of the ONN X5 HiFi Music Player, illustrating the location of the MicroSD card slot on the right side of the device.

Image: Front and back view of the ONN X5 HiFi Music Player. The back panel shows the model number "X5" and branding information.
Setup
1. Charging the Device:
- Connect the ONN X5 to a power source using the provided USB cable.
- The battery indicator on the screen will show charging status.
- A full charge is recommended before first use. The device uses a high-capacity rechargeable lithium polymer battery.
2. Inserting a MicroSD/TF Card:
- Locate the MicroSD/TF card slot on the side of the player.
- Gently insert a compatible MicroSD/TF card (up to 32GB) into the slot until it clicks into place.
- Ensure the card is inserted correctly to avoid damage.

Image: Contents of the ONN X5 package, showing the player, USB charging cable, and other accessories. This illustrates the components available for setup.
3. Transferring Music Files:
- Connect the ONN X5 to your computer using the USB cable.
- The device will appear as a removable storage drive.
- Drag and drop your desired audio files (MP3, WMA, APE, FLAC, WAV, ALAC, OGG) into the player's internal storage or the MicroSD card.
- Safely eject the device from your computer before disconnecting the USB cable.
Operating Instructions
Power On/Off:
- To power on, press and hold the power button (usually marked with a universal power symbol) until the screen illuminates.
- To power off, press and hold the power button until the device shuts down.
Navigation:
The ONN X5 uses physical buttons for navigation. Refer to the device layout for button identification.
- VOL: Adjusts volume.
- M (Menu): Accesses menus and confirms selections.
- Arrow Buttons (< / >): Navigate through menus, select tracks, or fast forward/rewind during playback.
- Power Button: Also functions as a play/pause button during music playback.

Image: Angled view of the ONN X5 HiFi Music Player, showing the screen with various menu icons, indicating the user interface for navigation.
Music Playback:
- From the main menu, navigate to "Music" or "Files".
- Browse through your folders and select a track to play.
- Press the Power/Play button to start or pause playback.
- Use the arrow buttons to skip tracks or fast forward/rewind.
- Adjust volume using the VOL button.
FM Radio:
- Navigate to the "FM Radio" option from the main menu.
- Use the navigation buttons to scan for stations or manually tune to a frequency.
- Ensure headphones are connected as they often act as the antenna for FM radio.
Language Settings:
The device supports multiple languages. To change the language:
- Go to "Settings" from the main menu.
- Select "Language" and choose your preferred language from the list (English, Russian, Korean, German, Japanese, Polish, Indonesian, Chinese).
Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Avoid liquid cleaners or abrasive materials.
- Storage: Store the player in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
- Avoid Impact: The aluminum alloy shell provides durability, but avoid dropping the device or subjecting it to strong impacts.
- Water Exposure: This device is not waterproof. Avoid exposure to water or high humidity.
Troubleshooting
Device Will Not Power On:
- Ensure the battery is charged. Connect the device to a power source and allow it to charge for at least 30 minutes before attempting to power on again.
- Try performing a hard reset (if applicable, refer to manufacturer's specific instructions for hard reset, usually involves holding power button for an extended period).
No Sound:
- Check the volume level and ensure it is not muted.
- Verify that headphones or external speakers are properly connected.
- Test with different headphones or audio output devices.
- Ensure the audio file is not corrupted or in an unsupported format.
Cannot Transfer Files:
- Ensure the USB cable is securely connected to both the player and the computer.
- Try a different USB port on your computer or a different USB cable.
- Verify that the device is recognized by your computer as a removable drive.
- Check if the MicroSD card is properly inserted and not full.
Screen Not Responding / Frozen:
- Press and hold the power button for approximately 10-15 seconds to force a restart.
- If the issue persists, ensure the battery is charged.
Specifications
| Feature | Detail |
|---|---|
| Model Number | X5 |
| Brand | ONN |
| Screen Size | 2.0 Inches TFT (176x220 PIXEL) |
| Internal Memory | 8 GB |
| Expandable Storage | MicroSD/TF card up to 32 GB |
| Supported Audio Formats | APE, FLAC, ALAC, WAV, WMA, OGG, MP3 (up to 24Bit/192 KHz) |
| Connectivity Technology | Aux, USB |
| Special Feature | FM Radio |
| Battery | 1 Lithium Ion battery required (High-capacity rechargeable lithium polymer) |
| Item Weight | 7 ounces (approx. 0.2 Kilograms) |
| Package Dimensions | 6.21 x 4.7 x 1.2 inches |
| Manufacturer | SZTZWY |
Warranty and Support
For detailed warranty information, please refer to the warranty card included with your purchase or visit the official ONN product support website. For technical assistance or further inquiries, please contact ONN customer support through their official channels.





