1. Танилцуулга
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. Багцын агуулга
Бүх зүйл багцад байгаа эсэхийг шалгана уу:
- Luoran M4 Pro MP3 тоглуулагч
- USB-C цэнэглэгч кабель
- Чихэвч
- Хэрэглэгчийн гарын авлага
3. Төхөөрөмж дууссанview
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.

Зураг: Урд 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. Тохиргоо
4.1 Төхөөрөмжийг цэнэглэх
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 Асаах/унтраах
- Асаахын тулд: Press and hold the power button on the side of the device until the screen illuminates.
- Унтраахын тулд: Асаах товчийг удаан дараад дэлгэцэн дээрх сонголтуудаас 'Унтраах'-г сонгоно уу.
4.3 Анхны тохиргоо
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 Шилжүүлэх Files
- USB -ээр дамжуулан: 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.
- Bluetooth-ээр: Enable Bluetooth on both the player and your sending device. Pair the devices and initiate file шилжүүлэх.
- Wi-Fi-аар: Ашиглах file transfer applications or cloud services accessible via Wi-Fi for wireless file удирдлага.
4.5 Micro SD карт оруулах
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. Ашиглалтын заавар
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 viewөнцөг.
5.2 Хөгжим тоглуулах
The device supports both offline music files and online streaming services.
- Офлайн хөгжим: 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.
- Дамжуулах програмууд: 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 Видео тоглуулах
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 холболт
The device features Bluetooth V4.2 with automatic reconnection. To connect to Bluetooth headphones, speakers, or car stereo:
- Тохиргоо > Холбогдсон төхөөрөмжүүд > Bluetooth руу очно уу.
- Toggle Bluetooth On.
- "Шинэ төхөөрөмж холбох" гэснийг сонгоод жагсаалтаас хүссэн төхөөрөмжөө сонгоно уу.

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 холболт
Wi-Fi сүлжээнд холбогдохын тулд:
- Тохиргоо > Сүлжээ ба интернет > Wi-Fi руу очно уу.
- Toggle Wi-Fi On.
- Хүссэн сүлжээгээ сонгоод нууц үгээ оруулна уу.
5.6 Програмын удирдлага
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. Засвар үйлчилгээ
6.1 Цэвэрлэгээ
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 Батерейны арчилгаа
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 Програм хангамжийн шинэчлэлтүүд
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. Алдаа засах
- Төхөөрөмж асахгүй байна: Батерейг цэнэглэсэн эсэхийг шалгаарай. Эрчим хүчний эх үүсвэрт холбогдоод дахин оролдоно уу.
- Wi-Fi/Bluetooth-д холбогдох боломжгүй: 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.
- Удаан гүйцэтгэл: Close unnecessary background applications. Free up storage space by deleting unused files эсвэл програмууд.
- Дуу алга: Check volume levels. Ensure headphones are properly connected or Bluetooth device is paired.
8. Техникийн үзүүлэлтүүд
| Брэнд | Луоран |
| Загварын дугаар | M4 Pro |
| Үйлдлийн систем | Android 8.1 |
| Процессор | MTK 8-Core |
| Дотоод санах ой | 16 ГБ |
| Өргөтгөх санах ой | Up to 1 TB (Micro SD) |
| Дэлгэцийн хэмжээ | 4.0 инч |
| Дэлгэцийн технологи | IPS LCD |
| Холболт | Bluetooth V4.2, WLAN |
| Зайны багтаамж | 2000 мАч (Лити-ион) |
| Цэнэглэх порт | USB-C |
| Аудио форматууд | MP3, OGG, APE, FLAC, WAV, AAC, M4A, M4R, MP2, AMR, ACELP |
| Видео форматууд | AVI, MKV, MPG, MPEG, RM, RMVB, VOB, MOV, FLV, ASF, DAT, MP4, 3GP |
| Аудио гаралт | Built-in Speaker, Dual 3.5mm Headphone Jack |
9. Баталгаат хугацаа ба дэмжлэг
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.