1. Setup and Installation
1.1 What's in the Box
Before beginning installation, please verify that all components are present:
- 1 x Car MP5 Player
- 1 x Power Cable
- 1 x Horn Cable
- 1 x External Microphone
- 1 x User Manual
- 2 x Mounting Brackets
- 1 x Installation Tool
- 1 x Steering Wheel Control

Image: Product contents and dimensions. This image displays the car radio unit, its dimensions, and all included accessories such as the steering wheel control, mounting brackets, horn cable, power cable, user manual, microphone, and rear camera.
1.2 Wiring Diagram
Proper wiring is crucial for the functionality of your car radio. Refer to the diagram below for correct connections.

Image: Detailed wiring diagram. This diagram illustrates the rear panel of the car radio with labeled ports and a comprehensive wiring scheme for all car stereo connections, including power, horn, USB, and antenna.
1.3 Reversing Camera Installation
To enable the reversing image function, install the rearview camera according to the following steps:
- Connect the camera's video output to the 'CVBS IN' port on the car radio.
- Connect the camera's power cable to the vehicle's reverse light power source.
- Ensure the reverse trigger wire (usually pink) from the car radio is connected to the vehicle's reverse light signal.

Image: Reversing Camera Installation Method. This technical diagram illustrates the connection points between the display unit, the rearview camera, and the vehicle's electrical system for proper installation.
1.4 Retractable Screen Operation
The 7-inch HD touchscreen is designed to be retractable. Press the designated button to extend or retract the screen as needed. The device will continue to function even when the screen is folded.

Image: Manual Folding and Retraction of the 7-inch Touchscreen. This image shows a split view with a diagram of the foldable 7-inch touchscreen installation on the left and the car dashboard interface on the right, demonstrating its flexible operation.
2. Operating Instructions
2.1 Wireless CarPlay and Android Auto
Connect your smartphone wirelessly to access navigation, music, messages, and other applications directly on the car radio's screen. Use voice commands or the touchscreen for control. Siri is supported for hands-free calls and messages.

Image: CarPlay and Android Auto Interface. This image shows the 7-inch touchscreen displaying application icons, compatible with Apple CarPlay, Android Auto, and Mirror Link for seamless smartphone integration.
2.2 Bluetooth Connectivity
The integrated Bluetooth 5.1 allows for hands-free calling and audio streaming. Pair your device through the settings menu to make and receive calls safely while driving.

Image: Bluetooth 5.1 Interface. This image displays the car stereo system's interface showing Bluetooth 5.1 connectivity features, including mobile application and vehicle display screens.
2.3 FM Radio with RDS
Tune into FM radio stations to receive real-time traffic updates, news, and weather forecasts. The RDS (Radio Data System) feature provides additional information where available.

Image: AM/FM Radio with RDS. This image shows a digital display indicating FM frequency 87.50, along with a touchscreen interface and RDS functionality with illuminated controls.
2.4 Mirror Link Function
Connect your smartphone via USB to mirror its screen content onto the car radio's display. This function supports both Android and iPhone devices.

Image: Mirror Link Function. This image of a car dashboard display illustrates multiple app integration screens for smartphones and various wireless connectivity options via the touchscreen.
2.5 Steering Wheel Control
The unit supports steering wheel button learning, allowing you to control various functions directly from your steering wheel for enhanced safety and convenience.

Image: Steering Wheel Control. This image shows the car stereo interface with a digital display and the steering wheel control compatibility feature within the vehicle's dashboard setup.
2.6 USB Port and Charging
The device includes USB ports for playing media from a USB flash drive and for charging your mobile devices.

Image: USB Port for Fast Charging. This image of a car infotainment system with a touchscreen displays various menu options, highlighting the USB port designed for fast charging.
2.7 External Microphone
Utilize the included external microphone for clearer audio during hands-free calls and voice commands.

Image: External Microphone. This image shows the interior of a car with an additional microphone accessory and a text overlay, indicating its use for communication.
2.8 Equalizer (EQ)
Adjust the audio equalizer settings to customize your sound experience, including bass enhancement and noise reduction.
2.9 Multi-UI and Button Backlighting
The device supports multiple user interfaces (UIs) to enrich your in-car entertainment. You can also choose from seven different backlight colors for the buttons to match your car's interior or personal preference.

Image: Seven Color Button Lights. This image displays the car radio with options for seven different button light colors, showcasing multiple variations of USB ports with various colored lighting options.
2.10 Physical Buttons with Knob
The unit features physical buttons and a central knob for intuitive control of volume, mode selection, and menu navigation.

Image: Physical Buttons with Knob. This image shows the car radio unit with its physical buttons and a central control knob.
3. Maintenance
To ensure the longevity and optimal performance of your Inefala F133 car radio, follow these general maintenance guidelines:
- Cleaning the Screen: Use a soft, lint-free cloth to gently wipe the touchscreen. For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner. Avoid harsh chemicals or abrasive materials.
- General Cleaning: Keep the unit free from dust and debris. Use a soft brush or compressed air to clean around buttons and ports.
- Avoid Extreme Temperatures: Do not expose the unit to extreme heat or cold, as this can affect its electronic components and screen.
- Software Updates: Periodically check the manufacturer's website for any available software updates to ensure the best performance and compatibility.
4. Troubleshooting
If you encounter issues with your Inefala F133 car radio, refer to the following common troubleshooting steps:
- No Power: Check all power connections, including the ignition switch wire (+12V ACC) and constant power wire (+12V B+). Ensure the vehicle's fuse for the radio is not blown.
- No Sound: Verify speaker connections (Horn Cable). Check the volume level and ensure the mute function is not activated. Confirm that the audio output mode is correctly set.
- Screen Not Responding: Try restarting the unit. If the issue persists, ensure the screen is fully extended and properly seated.
- Bluetooth Connection Issues: Ensure Bluetooth is enabled on both the car radio and your smartphone. Delete previous pairings and try reconnecting. Move your phone closer to the unit.
- CarPlay/Android Auto Not Connecting: Ensure your phone's operating system is up to date. For wired connections, try a different USB cable. For wireless, ensure Wi-Fi and Bluetooth are active on your phone.
- Rearview Camera Not Displaying: Check the camera's power and video input connections. Ensure the reverse trigger wire is correctly connected and receiving a signal when the vehicle is in reverse.
If these steps do not resolve the issue, please contact customer support.
5. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 18.6 x 18.5 x 10.8 cm |
| Weight | 1.88 kg |
| Model Number | F133 |
| Connectivity Technology | Bluetooth |
| Controller Type | Android |
| Special Features | Touchscreen, Radio, Retractable Display |
| Compatible Devices | Smartphone |
| Connector Type | USB 2.0 |
| Audio Output Mode | Stereo |
| Surround Sound Channel Configuration | 5.1 |
| Video Encoding | MP4, MOV, MKV, AVI, RM, RMVB, VOB, MPG, 3GP |
| Color | Black |
| Power Output | 45 Watts per channel (Total 180 Watts) |
| Number of Channels | 4 |
| Internet Applications | CarPlay, Android Auto |
| Control Method | Touch |
| Audio Output Type | Speakers, Bluetooth |
6. Warranty Information
Your Inefala F133 car radio comes with a 24-month warranty. This warranty covers manufacturing defects and ensures product quality. For any warranty-related inquiries, please contact our customer support.
7. Customer Support
For technical assistance or any questions regarding your Inefala F133 car radio, please reach out to our support team. We offer online consultation and aim to respond within 42 hours.
7.1 How to Get Support
You can contact us directly via email for prompt assistance:
- Email: inefalatech@163.com
We are committed to resolving 100% of your concerns.

Image: Technical Support Instructions. This image outlines a two-step process for obtaining technical assistance, including an email contact for direct support.
