Product Overview
The SJOYBRING Double Din Car Stereo is a versatile car audio receiver designed to enhance your in-car entertainment and connectivity. Featuring a 7-inch Full HD Capacitive Touchscreen, it integrates seamlessly with your smartphone via Apple CarPlay and Mirror Link. Enjoy hands-free calling with Bluetooth, listen to AM/FM radio, and benefit from USB/SD port connectivity. This unit also supports Steering Wheel Control (SWC) and includes a backup camera for safer parking.

Figure 1: SJOYBRING Double Din Car Stereo and included accessories.
Setup and Installation
Package Contents
Before beginning installation, please verify all components are present:
- Head Unit
- Wireless Remote Control
- Backup Camera
- Frames (2)
- Harness and Brackets
- Screws
- User Manual (this document)

Figure 2: Visual representation of included package contents.
Installation Tips
Proper installation is crucial for optimal performance. Please consider the following:
- Dashboard Opening Size: Ensure your dashboard opening size matches the stereo dimensions. Common sizes are 170x97mm (6.7x3.8inch), 178x100mm (7x4inch), or 187x118mm (7.3x4.6inch). An additional suitable dash kit may be required if dimensions do not match.
- Professional Installation: It is highly recommended to have the unit installed by a professional car audio shop.
- Additional Accessories: Some vehicles may require a wire harness adapter and/or a radio antenna adapter specific to your car model.
Operating Instructions
Apple CarPlay
This double din car stereo features built-in Apple CarPlay, providing a safer way to use your iPhone while driving. Connect your iPhone via the original USB data cable to access navigation, make calls, send texts, receive messages, and enjoy music. Voice Assistant functionality helps you stay focused on the road.

Figure 3: Apple CarPlay interface showing navigation and music playback.
Bluetooth Hands-Free System
Pair your smartphone with the stereo via Bluetooth for hands-free calling and wireless music streaming. Answer and make calls directly from the unit, and control music playback from your smartphone or MP3 player, including apps like Spotify and Pandora.

Figure 4: Bluetooth 5.2 connectivity with noise-cancelling microphone.
Mirror Link for Android & iOS Phones
The Mirror Link function allows you to synchronize your phone's screen with the car stereo's 7-inch display. Connect your phone using its original USB data cable. This feature is particularly convenient for displaying mobile navigation apps on the larger screen.

Figure 5: Mirror Link displaying phone applications and navigation on the stereo screen.
Support Rear/Front View Camera
The car radio comes with an HD waterproof super night vision rear camera. When you engage reverse gear, the 7-inch touchscreen automatically displays the reverse image. The camera features an ultra-wide 170° viewing angle and a fully waterproof design, aiding in safer and easier parking.

Figure 6: Rear view camera display with parking guidelines.
HD Capacitive Touch Screen
The 7-inch high-definition capacitive touch screen offers sensitive and accurate control, supporting 1080P video playback. Physical buttons are also included for easier operation while driving, particularly the rotating volume control.

Figure 7: Responsive HD capacitive touch screen for intuitive control.
AM/FM Radio
Tune into your favorite radio stations with the built-in AM/FM tuner. The interface allows for easy station selection and preset management.

Figure 8: AM/FM radio tuning interface.
Steering Wheel Control (SWC)
The unit supports steering wheel controls, allowing you to manage audio functions directly from your steering wheel for added convenience and safety. This requires proper wiring and configuration.

Figure 9: Steering Wheel Control configuration screen.
16-Band EQ Audio Setting
Customize your audio experience with the integrated 16-band equalizer. Choose from various preset sound modes like Jazz, Pop, Rock, Standard, Classic, Electric, or create your own custom settings.

Figure 10: 16-band equalizer interface with various sound presets.
Connectivity Ports
The stereo unit features a variety of ports for external connections, including RCA for video input/output, audio input/output, camera inputs, and subwoofer output.

Figure 11: Overview of the various input and output ports on the unit.
Customizable LED Buttons
The unit features 7 stylish LED buttons with customizable colors, allowing you to match the stereo's lighting to your vehicle's interior or your personal preference.

Figure 12: Examples of customizable LED button colors.
Maintenance
To ensure the longevity and optimal performance of your SJOYBRING car stereo, follow these general maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the touchscreen and exterior surfaces. For stubborn smudges, a slightly damp cloth with a mild, non-abrasive cleaner can be used, ensuring no liquid enters the unit.
- Temperature: Avoid exposing the unit to extreme temperatures. Prolonged exposure to direct sunlight or very cold conditions can affect performance and lifespan.
- Connections: Periodically check all wiring connections to ensure they are secure and free from corrosion.
- Software Updates: Check the manufacturer's website or contact customer support for any available firmware updates to improve functionality and address potential issues.
Troubleshooting
If you encounter issues with your SJOYBRING car stereo, refer to the following common troubleshooting steps:
- No Power: Ensure all power connections are secure. Check the vehicle's fuse box for any blown fuses related to the stereo. Some vehicles may require a specific ACC power source.
- No Sound: Verify speaker connections are correct. Check the volume level and mute settings. Ensure the correct audio source is selected.
- Bluetooth Connectivity Issues: Ensure Bluetooth is enabled on both the stereo and your smartphone. Delete previous pairings and attempt to re-pair the devices. Move closer to the unit if signal strength is an issue.
- Touchscreen Unresponsive: Try restarting the unit by turning off the vehicle's ignition and then restarting. If the issue persists, a factory reset (refer to the setup menu) might be necessary.
- Mirror Link Not Working: Ensure you are using the original USB data cable for your phone. Check for any software updates for your phone or the stereo.
- Backup Camera Not Displaying: Verify the camera's power and video signal connections. Ensure the vehicle is in reverse gear.
For persistent issues, please refer to the detailed User Manual (PDF) or contact SJOYBRING customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | SJOYBRING |
| Model Number | JOY-W021 |
| Item Weight | 2.61 pounds |
| Product Dimensions | 7.01 x 3.23 x 3.94 inches (3.25"D x 7"W x 3.8"H) |
| Special Features | Built-In Bluetooth, Apple CarPlay, Mirror Link, USB/SD Port, SWC, Backup Camera, AM/FM Radio |
| Wattage | 200 watts |
| Connectivity Technology | Bluetooth, Wi-Fi, USB |
| Controller Type | iOS, Android |
| Compatible Devices | Amplifier, Smartphone, Speaker |
| Connector Type | RCA, USB Type A |
| Audio Encoding | Stereo |
| Audio Output Mode | Stereo |
| Surround Sound Channel Configuration | 4 |
| Date First Available | November 3, 2019 |
Warranty and Support
For detailed warranty information, please refer to the official product documentation included in your package or the User Manual (PDF).
SJOYBRING is committed to providing excellent customer service. If you have any questions, require technical assistance, or need support with your product, please contact SJOYBRING customer support directly. Many users have reported positive experiences with their responsive and helpful support team.





