Introduction
Thank you for choosing the joliker H12 MP3/MP4 Player. This device is designed to provide a versatile portable entertainment experience, featuring Android 13, Wi-Fi, Bluetooth 5.0, and a 4-inch touchscreen. It supports various audio and video formats and comes with ample storage for your media. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your new player.

Image: The joliker H12 MP3/MP4 Player, showcasing its compact design and touchscreen interface.
What's in the Box
Please check the package contents to ensure all items are present:
- 1 x joliker H12 MP3/MP4 Player
- 1 x 64GB Micro SD Card
- 1 x USB-C Charging Cable
- 1 x Wired Earphones
- 1 x Screen Protector
- 1 x Protective Case
- 1 x User Manual

Image: An overview of the joliker H12 MP3/MP4 Player and its included accessories, such as the USB-C cable, earphones, SD card, and protective case.
Setup
1. Charging the Device
Before first use, fully charge the player using the provided USB-C cable and a compatible USB power adapter (not included). The battery indicator on the screen will show charging status.
2. Inserting the Micro SD Card
The device comes with a 64GB Micro SD card pre-installed or included separately. If separate, locate the Micro SD card slot on the side of the player. Gently insert the Micro SD card until it clicks into place. The player supports expansion up to 1TB.

Image: A close-up of the joliker H12 MP3/MP4 Player highlighting the Micro SD card slot and illustrating its 132GB storage capacity (4GB RAM + 64GB ROM + 64GB SD card, expandable to 1TB).
3. Powering On/Off
- To Power On: Press and hold the power button until the screen lights up.
- To Power Off: Press and hold the power button, then select "Power Off" from the options on the screen.
4. Initial Setup
Upon first power-on, follow the on-screen prompts to select your language, connect to a Wi-Fi network, and set up your Google account if desired. This will allow access to the Google Play Store and other online services.
Operating Instructions
1. Basic Navigation (Touchscreen)
The joliker H12 features a responsive 4-inch touchscreen for intuitive control. Swipe, tap, and pinch gestures are used to navigate the interface, open applications, and control media playback, similar to a smartphone.

Image: A hand interacting with the touchscreen of the joliker H12 MP3/MP4 Player, demonstrating its intuitive, smartphone-like operation.
2. Wi-Fi Connectivity
To connect to a Wi-Fi network:
- Go to Settings > Network & internet > Wi-Fi.
- Turn on Wi-Fi.
- Select your desired network from the list and enter the password if prompted.
The device supports dual-band Wi-Fi (2.4GHz and 5GHz) for stable and fast connections, ensuring smooth streaming and downloads.

Image: The joliker H12 MP3/MP4 Player displaying its home screen with various app icons, overlaid with a Wi-Fi cloud symbol, indicating its wireless connectivity features.
3. Bluetooth Pairing
To pair with Bluetooth headphones, speakers, or car audio:
- Ensure your Bluetooth accessory is in pairing mode.
- On the player, go to Settings > Connected devices > Bluetooth.
- Turn on Bluetooth and tap "Pair new device".
- Select your accessory from the list of available devices to connect.
Bluetooth 5.0 ensures a faster and more stable wireless connection for an uninterrupted listening experience.

Image: The joliker H12 MP3/MP4 Player displaying music playback, wirelessly connected to a pair of white over-ear headphones and a blue portable Bluetooth speaker, illustrating its Bluetooth 5.0 capabilities.
4. Music Playback
The player supports various audio formats including MP3, WAV, FLAC, and AAC. It comes with pre-installed music streaming applications and an offline music player.
- Pre-installed Apps: Access Spotify, Deezer, Amazon Music, and more directly from the home screen for online streaming.
- Hiby Music App: For offline playback of your local music files, use the Hiby Music application. It supports playlists and an equalizer for customized sound.

Image: A child happily listening to music with headphones, alongside a visual representation of the joliker H12 MP3/MP4 Player's interface showing various music and media applications like Spotify, Apple Music, and Pandora, highlighting its Wi-Fi and app capabilities.

Image: A screenshot of the Hiby Music application interface on the joliker H12 MP3/MP4 Player, showing playback controls, search function, equalizer settings, and options for shuffle, repeat, and playlist creation.
5. Video Playback
The 4-inch touchscreen allows for video playback in multiple formats. You can watch videos stored locally or stream from compatible applications. The device includes a built-in speaker for audio, or you can use wired/wireless headphones.
6. App Usage and Google Play Store
Running on Android 13, the player provides access to the Google Play Store. You can download and install additional applications, including educational apps, games, and other media services, to expand the device's functionality.
7. Parental Control
For child users, the joliker H12 is compatible with parental control applications like Google Family Link. This allows parents to manage screen time, restrict content access, and control Wi-Fi connectivity remotely, providing a safe digital environment.

Image: The joliker H12 MP3/MP4 Player displaying a "Parental Control" app icon on its screen, with a family (parents and child) in the background, emphasizing the device's suitability for children and its parental control features.

Image: A young girl wearing headphones and holding the joliker H12 MP3/MP4 Player, with icons for audiobook apps like Audible, LibreVox, and Kindle displayed, highlighting its use for children's audiobooks and educational content.
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 device frequently. Charge it regularly, even if not in use for extended periods.
- Software Updates: Periodically check for system updates in the device settings to ensure optimal performance and security.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Low battery; System crash | Charge the device for at least 30 minutes. If still unresponsive, try a forced restart by holding the power button for 10-15 seconds. |
| Cannot connect to Wi-Fi | Incorrect password; Out of range; Network issue | Double-check the Wi-Fi password. Ensure you are within range of the Wi-Fi router. Restart the router and the player. |
| Bluetooth pairing fails | Accessory not in pairing mode; Interference | Ensure the Bluetooth accessory is discoverable. Move closer to the accessory. Try unpairing and re-pairing. |
| Short battery life | High screen brightness; Many apps running in background; Old battery | Reduce screen brightness. Close unused background apps. If the issue persists after a few months of use, contact support. |
| Apps are slow or crashing | Too many apps open; Low storage; Software bug | Close unnecessary apps. Clear app caches. Ensure sufficient storage space. Restart the device. |
Specifications
| Feature | Detail |
|---|---|
| Brand | joliker |
| Model Name | H12 |
| Operating System | Android 13 |
| Screen Size | 4 Inches |
| Display Technology | LCD |
| Connectivity Technology | Auxiliary, Bluetooth 5.0, USB-C, Wi-Fi (Dual Band) |
| Storage | 4GB RAM + 64GB ROM + 64GB Micro SD Card (Expandable up to 1TB) |
| Special Features | Voice Recorder, Built-in Speaker, Video Playback, FM Radio, Touchscreen |
| Compatible Devices | Headphones, Speakers |
| Supported Media Types | Micro SD |
| Supported Standards | MP3, WAV, FLAC, AAC, MP4, etc. |
| Battery Capacity | 2000 mAh |
| Average Battery Life | Up to 50 hours (music playback) |
| Color | Blue and Yellow |

Image: An infographic detailing the joliker H12 MP3/MP4 Player's powerful processing performance, including its MTK 8-core processor, Android 13 operating system, and 4GB RAM + 64GB ROM for reliable multitasking.

Image: A graphic illustrating the joliker H12 MP3/MP4 Player's 2000mAh battery, indicating up to 50 hours of music playback, 8 hours of video playback, and 3 hours for a rapid charge via its USB-C port.
Warranty and Support
Warranty Information
The joliker H12 MP3/MP4 Player comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.
Customer Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact joliker customer support. Refer to the contact information provided on the product packaging or the official joliker website.
When contacting support, please have your product model (H12) and purchase details ready to facilitate a quicker resolution.
