1. Product Overview
The Kinhank Wireless Android Auto NFC Adapter transforms your vehicle's wired Android Auto system into a wireless experience. This adapter supports navigation, music playback, voice assistance, phone calls, and messaging, allowing full use of Android Auto applications while retaining your car's original controls. Its compact design ensures a clutter-free vehicle interior.

Figure 1: Overview of the Kinhank Wireless Android Auto NFC Adapter and its core functionalities.
2. Package Contents
The package includes the following items:
- 1 x Kinhank Wireless Android Auto NFC Adapter
- 1 x USB-A to USB-C Adapter
3. Specifications
| Model Number | Y-EU-C4 |
| Compatible Devices | Android 11+ smartphones |
| Specific Product Uses | Car audio and video |
| Connector Type | USB Type A |
| Color | Black |
| Dimensions (L x W x H) | 7 x 4.5 x 0.9 centimeters |
| Wireless Connectivity | Wi-Fi 5.8 GHz, Bluetooth 5.2, NFC |
| Operating Temperature | -20°C to 60°C |
4. Compatibility
This adapter is designed for vehicles equipped with factory-wired Android Auto. It supports Android 11 and newer versions. It is not compatible with other car systems or Apple CarPlay.
For a list of compatible vehicles, please refer to the official Android Auto compatibility page: Android Auto Compatibility

Figure 2: Vehicle and Android device compatibility.
5. Setup Instructions
Follow these steps to connect your Kinhank Wireless Android Auto NFC Adapter:
Method 1: NFC Quick Pairing (Recommended for NFC-enabled phones)
- Plug In: Connect the adapter to your car's USB port (the one used for wired Android Auto). Use the provided USB-A to USB-C adapter if your car has a USB-C port.
- Activate NFC & Wi-Fi: Ensure NFC and Wi-Fi are enabled on your smartphone and that Wi-Fi is not currently in use by another device.
- Tap to Connect: Gently tap your NFC-compatible smartphone on the NFC detection area of the adapter.
- Authorize Connection: Follow the on-screen prompts on your phone and car display to authorize the connection.

Figure 3: NFC connection process.
Method 2: Traditional Bluetooth Pairing
- Plug In: Connect the adapter to your car's USB port.
- Activate Wi-Fi: Ensure Wi-Fi is enabled on your smartphone and not in use.
- Pair Bluetooth: On your smartphone, go to Bluetooth settings and search for available devices. Select the adapter (e.g., "Smart AA-xxxx") to pair.
- Use Android Auto: Once paired via Bluetooth, your car's display should prompt you to use Android Auto. Confirm the connection.

Figure 4: Bluetooth connection process.
Note: After the initial setup, the adapter will automatically reconnect to your smartphone when you start your car, provided Bluetooth and Wi-Fi are active on your phone.

Figure 5: USB-A and USB-C connection options.
6. Operating Instructions
Once connected, the adapter enables full wireless Android Auto functionality. Your car's original controls, including voice commands, touchscreen, OEM buttons, and steering wheel controls, will remain active.
Automatic Reconnection
After the first successful pairing, the adapter will automatically connect to your phone within approximately 5 seconds of starting your vehicle, as long as your phone's Bluetooth and Wi-Fi are active.

Figure 6: Automatic reconnection after initial pairing.
Using Android Auto Features
You can access all standard Android Auto features wirelessly:
- Navigation: Use Google Maps, Waze, or other navigation apps.
- Music Playback: Stream music from Spotify, YouTube Music, etc.
- Phone Calls: Make and receive calls hands-free.
- Messaging: Send and receive messages.
- Voice Assistant: Utilize Google Assistant for commands like "Hey Google, navigate home" or "Play music."

Figure 7: Supported Android Auto functions and applications.

Figure 8: Retention of original car controls.
7. Performance and Design
The adapter features a 5.8 GHz Wi-Fi connection, Bluetooth 5.2, and an advanced A7 chip, contributing to a stable and responsive wireless connection. This configuration aims to reduce interruptions and delays, ensuring real-time synchronization between your phone and the car's display. It also maintains the original audio quality of your vehicle's sound system.

Figure 9: Enhanced performance and signal stability.
Durability
Constructed from lightweight aluminum alloy and tempered glass, the adapter is designed for durability. The braided cable is tested for over 10,000 flexions. The materials also contribute to efficient heat dissipation, allowing the adapter to maintain performance in temperatures ranging from -20°C to 60°C.

Figure 10: Durability and thermal management features.
Compact and Portable Design
The adapter's small dimensions (7 x 4.5 x 0.9 cm) make it compact and easy to integrate into your car's interior without occupying excessive space.

Figure 11: Compact and portable design.

Figure 12: Restoration of original sound and image quality.
8. Troubleshooting
If you encounter issues with your Kinhank Wireless Android Auto NFC Adapter, consider the following:
- Connection Failure:
- Ensure your car's wired Android Auto system is functional.
- Verify that Wi-Fi and Bluetooth are enabled on your smartphone.
- Check that your phone's Wi-Fi is not connected to another network or device.
- For NFC pairing, ensure your phone's NFC is active and correctly positioned over the adapter's NFC area.
- Try restarting both your phone and the car's infotainment system.
- Intermittent Connection/Lag:
- Ensure the adapter is securely plugged into the USB port.
- Avoid placing objects that might interfere with wireless signals near the adapter or your phone.
- Update your phone's Android Auto application to the latest version.
- Notifications Not Displaying:
- Check your phone's Android Auto settings to ensure notifications are enabled and permissions are granted.
- NFC Disconnection During Turns:
- The NFC function is primarily for initial quick pairing. Once connected via Bluetooth and Wi-Fi, the NFC tag is not continuously active for maintaining the connection. If your phone is physically moving and causing issues, ensure a stable connection is established via Bluetooth and Wi-Fi, which are responsible for the ongoing wireless Android Auto link.
9. Maintenance
To ensure the longevity and optimal performance of your adapter:
- Keep the adapter clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing the adapter to extreme temperatures or direct sunlight for prolonged periods.
- Do not attempt to disassemble or repair the adapter yourself.
- Ensure the USB cable is not bent or strained excessively.
10. Warranty and Support
The Kinhank Wireless Android Auto NFC Adapter comes with a lifetime warranty, ensuring long-term reliability. For any issues or support inquiries, please contact Kinhank customer service through your purchase platform. We aim to respond and resolve issues within 12 hours.