Introduction
Thank you for choosing the Joliker M4S Portable MP3 Player. This device is designed to provide a high-quality audio experience with versatile features including Bluetooth 5.3, a 2.4-inch touch screen, built-in speaker, FM radio, voice recorder, e-book reader, and video playback. This manual will guide you through the setup, operation, and maintenance of your new MP3 player.
Product Overview
Package Contents
Please check the package contents upon unboxing:
- 1 x Joliker M4S Bluetooth MP3 Player
- 1 x USB Type-C Charging Cable
- 1 x Wired Earphones
- 1 x User Manual
Image: The Joliker M4S MP3 Player shown with its included wired earphones and USB-C charging cable.
Setup
1. Charging the Device
Before first use, fully charge the MP3 player. Connect the included USB Type-C cable to the player's charging port and the other end to a USB power adapter (not included) or a computer's USB port.
- The battery indicator on the screen will show charging status.
- A full charge typically takes approximately 2-3 hours.
Image: The MP3 player connected via its USB-C port for charging.
2. Powering On/Off
- To power on: Press and hold the power button located on the side of the device until the screen lights up.
- To power off: Press and hold the power button until the power-off options appear, then select "Power Off" on the screen.
3. Inserting a TF Card (Optional)
The device has 64 GB of internal storage and supports TF (Micro SD) cards up to 128 GB for expanded storage.
- Locate the TF card slot on the side of the player.
- Insert the TF card with the gold contacts facing down until it clicks into place.
- To remove, gently push the card until it pops out.
Image: Visual representation of the MP3 player's 64GB internal storage and the option to expand with a 128GB TF card.
4. Transferring Files
Connect the MP3 player to your computer using the USB Type-C cable. The device will appear as a removable disk. You can then drag and drop music, video, image, or e-book files into the appropriate folders on the player or the inserted TF card.
Operating Instructions
Basic Navigation (Touch Screen)
The Joliker M4S features a 2.4-inch high-sensitivity touch screen for intuitive control. Swipe left/right or up/down to navigate through menus and tap icons to select functions.
Image: A hand demonstrating interaction with the MP3 player's full touch screen interface.
1. Music Playback
- From the main menu, tap the "Music" icon.
- Browse your music library by Artist, Album, Songs, or Folders.
- Tap a song to begin playback.
- Use the on-screen controls for Play/Pause, Next/Previous track, and volume adjustment.
- Supported formats include MP3, WMA, APE, FLAC, WAV, DRM, and ACELP.
2. Bluetooth 5.3 Connection
Connect your MP3 player to Bluetooth headphones or speakers for wireless audio.
- Ensure your Bluetooth headphones/speaker are in pairing mode.
- On the MP3 player, go to the main menu and tap the "Bluetooth" icon.
- Turn Bluetooth ON. The player will search for available devices.
- Select your device from the list to pair.
- Once paired, audio will be routed to the Bluetooth device.
Image: The MP3 player displaying a Bluetooth connection icon, indicating successful pairing with wireless earbuds.
3. FM Radio
The MP3 player includes an FM radio function. Note: Wired headphones must be connected to the 3.5mm audio jack to act as an antenna for FM radio reception.
- Connect wired headphones.
- From the main menu, tap the "Radio" icon.
- Use the on-screen controls to scan for stations or manually tune to a frequency.
Image: The MP3 player's screen showing the FM radio interface with frequency display and controls.
4. Voice Recorder
Record audio using the built-in microphone.
- From the main menu, tap the "Record" icon.
- Tap the record button to start and stop recording.
- Recorded files are saved and can be played back from the recorder menu.
Image: The MP3 player's screen showing the voice recorder interface with a timer and record button.
5. E-book Reader
View text files (e.g., TXT format) on your device.
- Transfer compatible e-book files to the "Ebook" folder on the player.
- From the main menu, tap the "Ebook" icon to browse and open your files.
Image: The MP3 player's screen showing text from an e-book, demonstrating its e-reader functionality.
6. Video Playback
The player supports video playback. Ensure video files are in a compatible format (e.g., AVI, AMV) and resolution for optimal viewing on the 2.4-inch screen.
- Transfer compatible video files to the "Video" folder.
- From the main menu, tap the "Video" icon to browse and play your videos.
Image: The MP3 player's screen showing a video playing, highlighting its video playback capability.
7. Photo Viewer
View image files (e.g., JPG, BMP) on the device.
- Transfer compatible image files to the "Photo" folder.
- From the main menu, tap the "Photo" icon to browse and view your images.
8. Settings
Access the "Settings" menu to customize your player.
- Language: Select from 26 available language options.
- Date & Time: Set the current date and time.
- Display: Adjust brightness and backlight timer.
- Sound: Access equalizer settings for customized audio profiles.
- Playback Mode: Choose repeat, shuffle, or other playback options.
- Storage: View internal and external storage information.
Image: The MP3 player's screen displaying various convenient settings for audio playback, including AB Repeat, 8-speed playback, 2 playback modes, and an equalizer.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Avoid liquid cleaners or abrasive materials.
- Storage: Store the MP3 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: Protect the device from drops and impacts, which can damage the screen or internal components.
Troubleshooting
| Problem | Solution |
|---|---|
| Device does not power on. | Ensure the battery is charged. Connect the player to a power source and try again. If unresponsive, perform a reset by pressing and holding the power button for 10-15 seconds. |
| Cannot connect to Bluetooth device. | Ensure both the MP3 player and the Bluetooth device are in pairing mode and within range. Turn Bluetooth off and on again on the player. Try restarting both devices. |
| No sound from headphones/speaker. | Check the volume level on both the player and the connected audio device. Ensure headphones are properly plugged in or Bluetooth is correctly paired. Test with different headphones. |
| FM Radio not working. | Wired headphones must be connected to the 3.5mm audio jack to serve as an antenna for FM radio reception. Ensure they are properly inserted. |
| Files not appearing on the device. | Ensure files are transferred to the correct folders (e.g., "Music" for audio, "Video" for videos). Check file formats for compatibility. Reconnect to the computer and verify file transfer. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Joliker |
| Model Name | M4S |
| Internal Storage | 64 GB |
| Expandable Storage | Up to 128 GB (TF Card, not included) |
| Bluetooth Version | 5.3 |
| Screen Size | 2.4 Inches |
| Screen Type | LCD, Touch Screen |
| Built-in Speaker | Yes |
| FM Radio | Yes (requires wired headphones as antenna) |
| Voice Recorder | Yes |
| E-book Function | Yes |
| Supported Audio Formats | MP3, WMA, APE, FLAC, WAV, DRM, ACELP |
| Power Source | Battery Powered (1 Lithium Polymer battery included) |
| Dimensions | 4.9 x 6.8 x 0.8 cm |
| Weight | 200 g |
Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or contact Joliker customer service through the retailer where the product was purchased. Keep your proof of purchase for warranty claims.