RUIZU D18 Bluetooth 5.0 MP3 Player User Manual

Introduction

The RUIZU D18 is a versatile portable MP3 player designed for an enhanced multimedia experience. Featuring Bluetooth 5.0 connectivity, a vibrant 2.4-inch curved screen, and 32GB of internal storage, it supports music playback, video viewing, e-book reading, FM radio, and high-definition voice recording. Its compact metal body ensures durability and portability. This manual provides detailed instructions to help you get the most out of your device.

Setup

1. Charging the Device

Before first use, fully charge your RUIZU D18 MP3 player. Connect the device to a standard USB charger (500mA output recommended) or a computer's USB port using the provided USB2.0 cable. A full charge typically takes approximately 2 hours.

2. Transferring Files

To transfer music, videos, or e-books to your device:

1. Connect the RUIZU D18 to your Windows PC using the USB2.0 cable.
2. The device will appear as a removable disk on your computer.
3. Drag and drop your desired files (music, videos, e-books) into the appropriate folders on the device.
4. Safely eject the device from your computer before disconnecting the USB cable.

3. Expanding Storage (External Memory)

The RUIZU D18 supports external memory cards (e.g., microSD cards) for additional storage. Insert a compatible memory card into the designated slot on the device. Files can be transferred directly to the external memory via the device when connected to a PC.

4. Bluetooth Pairing

The RUIZU D18 features Bluetooth 5.0 for wireless audio streaming. To pair with Bluetooth headphones or speakers:

1. Ensure your Bluetooth audio device is in pairing mode.
2. On the RUIZU D18, navigate to the Bluetooth menu.
3. Scan for available devices and select your audio device from the list.
4. Confirm pairing if prompted.

Operating Instructions

1. Navigation and Interface

The RUIZU D18 uses touch keys for navigation. The 2.4-inch curved TFT color screen displays the main menu and content. Use the touch controls to select functions and navigate through menus.

2. Music Playback

Select the 'Music' icon from the main menu. You can browse your music by artist, album, genre, or folder. The device supports various audio formats including MP3, WMA, APE, FLAC, WAV, DRM, and ACELP, offering nondestructive sound quality.

3. Video Playback

Select the 'Video' icon. The device supports AMV and AVI video formats. Ensure your video files are in a compatible format for smooth playback.

4. E-book Reading

Access the 'Ebook' function to read digital books. The device offers features like 4 eye care themes, full-screen display, bookmarking, and page number selection for a comfortable reading experience.

5. FM Radio

Tune into your favorite radio stations using the built-in FM radio function. You can listen through wired headphones (which may act as an antenna) or wirelessly via Bluetooth headphones.

6. Voice Recording

The RUIZU D18 includes a high-definition voice recorder with a built-in microphone, capable of recording from approximately 3 meters in a straight line. Select the 'Recording' function to start and manage your audio recordings.

7. Additional Functions

The device also offers an electronic dictionary, alarm clock, calculator, calendar, photo viewer, and world clock. These can be accessed through the main menu or 'Tools' section.

8. Language Settings

The RUIZU D18 supports over 28 languages, including English, Russian, Japanese, Korean, French, German, Turkish, Italian, Hebrew, Dutch, Portuguese, Spanish, Swedish, Czech, Danish, Polish, Thai, Hungarian, Romanian, Arabic, Greek, and Indonesian. You can change the device language in the 'Settings' menu.

Maintenance

• Keep the device dry and away from moisture.
• Clean the screen and body with a soft, dry cloth. Avoid abrasive cleaners.
• Do not expose the device to extreme temperatures (hot or cold).
• Avoid dropping or subjecting the device to strong impacts.
• For optimal battery life, avoid fully discharging the battery frequently and store the device with a partial charge if not used for extended periods.

Troubleshooting

Device does not power on:

• Ensure the battery is charged. Connect to a power source and try again.
• Press and hold the power button for several seconds to perform a hard reset.

No sound during playback:

• Check the volume level on the device and any connected Bluetooth audio devices.
• Ensure headphones/speakers are properly connected or paired via Bluetooth.
• Verify the audio file format is supported (MP3, WMA, APE, FLAC, WAV, DRM, ACELP).

Cannot transfer files to the device:

• Ensure the USB cable is securely connected to both the device and the computer.
• Try a different USB port or cable.
• Verify that the device is recognized by your computer (e.g., in 'My Computer' or 'This PC').
• Check if the device's internal storage or external memory card is full.

Bluetooth connection issues:

• Ensure both the MP3 player and the Bluetooth audio device are sufficiently charged.
• Make sure both devices are within close proximity (typically within 10 meters).
• Unpair and re-pair the devices.
• Restart both the MP3 player and the Bluetooth audio device.

Specifications

User Tips

• Wireless FM Radio: You can listen to FM radio using wireless Bluetooth headphones, providing greater freedom of movement.
• Wired Audio Output: The device features a standard 3.5mm headphone jack for connecting wired headphones or external speakers.
• Screen Protection: The curved screen design offers a good visual experience. Consider using a screen protector to maintain its pristine condition.

Warranty and Support

For any issues or questions regarding your RUIZU D18 MP3 Player, please contact the seller or manufacturer's customer support. Keep your purchase receipt for warranty claims. The product typically includes a free return policy within 90 days of purchase, subject to seller terms and conditions.