1. Introduction
This manual provides detailed instructions for the proper use and maintenance of your Luoran M4 Pro MP3 Player. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity.
2. Package Contents
Verify that all items are present in the package:
- Luoran M4 Pro MP3 Player
- USB-C Charging Cable
- Earphones
- User Manual
3. Device Overview
The Luoran M4 Pro features a sleek design with a 4.0-inch IPS full touchscreen, an arc metal frame, and tempered glass on both the front and rear. It includes a built-in speaker and dual 3.5mm headphone jacks for versatile audio output.
Image: Front view of the Luoran M4 Pro MP3 Player displaying various application icons on its screen.
Image: Close-up showing the arc metal frame and tempered glass front and rear cover of the device, highlighting its modern design.
Image: The Luoran M4 Pro MP3 Player showcasing its two 3.5mm headphone jacks, allowing two users to listen simultaneously.
4. Setup
4.1 Charging the Device
Before first use, fully charge the device. Connect the provided USB-C cable to the player's USB-C port and the other end to a compatible USB power adapter (not included) or a computer's USB port. A full charge takes approximately 2.5 hours.
Image: Illustration of the Luoran M4 Pro's 2000mAh battery, indicating 2.5 hours for a full charge and up to 30 hours of online streaming music playback.
4.2 Power On/Off
- To Power On: Press and hold the power button on the side of the device until the screen illuminates.
- To Power Off: Press and hold the power button, then select 'Power Off' from the on-screen options.
4.3 Initial Setup
Upon first power-on, follow the on-screen prompts to select your preferred language, connect to a Wi-Fi network, and set up basic device preferences.
4.4 Transferring Files
- Via USB: Connect the device to a computer using the USB-C cable. The device will appear as a removable storage drive. Drag and drop your music, video, or other files into the appropriate folders.
- Via Bluetooth: Enable Bluetooth on both the player and your sending device. Pair the devices and initiate file transfer.
- Via Wi-Fi: Utilize file transfer applications or cloud services accessible via Wi-Fi for wireless file management.
4.5 Inserting a Micro SD Card
The device supports Micro SD cards up to 1TB. Locate the Micro SD card slot on the side of the player. Gently insert the card until it clicks into place. Ensure the card is correctly oriented.
Image: A Micro SD card being inserted into the side slot of the Luoran M4 Pro MP3 Player, demonstrating expandable storage.
5. Operating Instructions
5.1 Navigation (Touchscreen)
The Luoran M4 Pro features a 4.0-inch IPS full touchscreen. Navigate the interface by tapping icons, swiping between screens, and using pinch-to-zoom gestures where applicable.
Image: The Luoran M4 Pro MP3 Player displaying a vibrant image on its Full Touch IPS Screen, emphasizing high color accuracy and wide viewing angles.
5.2 Music Playback
The device supports both offline music files and online streaming services.
- Offline Music: Use the pre-installed music player app to browse and play audio files stored on the device or Micro SD card. Supported formats include MP3, OGG, APE, FLAC, WAV, AAC, M4A, M4R, MP2, AMR, ACELP.
- Streaming Apps: The device comes with pre-installed applications such as Spotify, Pandora, Tidal, Deezer, Amazon Music, Apple Music, Podcast Tracker, Kindle, iHeartRadio, and Audible. Connect to Wi-Fi and log in to your accounts to access online content.
Image: The Luoran M4 Pro MP3 Player displaying icons for various pre-installed online streaming applications like Spotify, Kindle, Audible, and Amazon Music.
5.3 Video Playback
The Luoran M4 Pro supports high-resolution video playback (720P, 1080p). Supported video formats include AVI, MKV, MPG, MPEG, RM, RMVB, VOB, MOV, FLV, ASF, DAT, MP4, 3GP.
5.4 Bluetooth Connectivity
The device features Bluetooth V4.2 with automatic reconnection. To connect to Bluetooth headphones, speakers, or car stereo:
- Go to Settings > Connected devices > Bluetooth.
- Toggle Bluetooth On.
- Select 'Pair new device' and choose your desired device from the list.
Image: The Luoran M4 Pro MP3 Player connected via Bluetooth to headphones, a speaker, and a car stereo, illustrating its versatile connectivity.
5.5 Wi-Fi Connectivity
To connect to a Wi-Fi network:
- Go to Settings > Network & internet > Wi-Fi.
- Toggle Wi-Fi On.
- Select your desired network and enter the password if prompted.
5.6 App Management
The device runs on Android 8.1. You can manage pre-installed apps and install additional applications via APK files. To install an APK, transfer the file to the device and use a file manager to open and install it. Ensure APKs are from trusted sources.
5.7 Audio Settings (Equalizer)
The built-in speaker and audio output feature an equalizer. Access the equalizer settings within the music player app or system settings to customize your audio experience (treble, mid-range, bass).
Image: The Luoran M4 Pro MP3 Player highlighting its built-in speaker and equalizer capabilities for sweet treble, accurate mid-range, and deep bass.
5.8 E-books and Audiobooks
Utilize the pre-installed Kindle and Audible apps for reading e-books and listening to audiobooks. Ensure you are connected to Wi-Fi to download content.
6. Maintenance
6.1 Cleaning
Wipe the device with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials that could damage the screen or finish.
6.2 Battery Care
To prolong battery life, avoid exposing the device to extreme temperatures. Fully charge the device periodically if it will not be used for an extended period. The device includes an automatic shutdown timer for power saving.
6.3 Software Updates
Periodically check for software updates to ensure optimal performance and access to the latest features. Updates for pre-installed apps may require manual APK installation if automatic updates are not available.
7. Troubleshooting
- Device not powering on: Ensure the battery is charged. Connect to a power source and try again.
- Cannot connect to Wi-Fi/Bluetooth: Verify that Wi-Fi/Bluetooth is enabled in settings. Ensure you are within range of the network/device. Restart the player and try again.
- Apps not working correctly: Ensure the app is updated to the latest version. Clear the app's cache or reinstall the app if issues persist.
- Slow performance: Close unnecessary background applications. Free up storage space by deleting unused files or apps.
- No sound: Check volume levels. Ensure headphones are properly connected or Bluetooth device is paired.
8. Specifications
| Brand | Luoran |
| Model Number | M4 Pro |
| Operating System | Android 8.1 |
| Processor | MTK 8-Core |
| Internal Memory | 16 GB |
| Expandable Memory | Up to 1 TB (Micro SD) |
| Screen Size | 4.0 Inches |
| Display Technology | IPS LCD |
| Connectivity | Bluetooth V4.2, WLAN |
| Battery Capacity | 2000 mAh (Lithium-ion) |
| Charging Port | USB-C |
| Audio Formats | MP3, OGG, APE, FLAC, WAV, AAC, M4A, M4R, MP2, AMR, ACELP |
| Video Formats | AVI, MKV, MPG, MPEG, RM, RMVB, VOB, MOV, FLV, ASF, DAT, MP4, 3GP |
| Audio Output | Built-in Speaker, Dual 3.5mm Headphone Jack |
9. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Luoran customer service directly. Details regarding spare parts availability and software update guarantees are not available at this time.
