1. Introduction
The MSXTTLY U2A-AIR Wireless Android Auto Adapter is designed to seamlessly transform your wired Android Auto experience into a wireless one. This compact dongle eliminates the need for constant cable connections, offering convenience and enhanced functionality for compatible vehicles.

Figure 1: MSXTTLY U2A-AIR Wireless Android Auto Adapter
2. Package Contents
Verify that all items are present in your package:
- U2A-AIR Android Auto Adapter x1
- USB Female A to C x1
- USB A Extension Cable x1
- 3.1USB 90 degree adapter x1
- User Manual x1

Figure 2: What's in the Box
3. Setup Instructions
Follow these steps for the first-time connection of your U2A-AIR adapter:
- Plug the Adapter into Car USB Port: Insert the U2A-AIR Android Auto Adapter into your car's USB data port. The adapter supports various connection methods including direct plug-in, USB A extension cable, or a 90-degree USB A adapter for convenience.
- Pair with Mobile Phone: Turn on the Wi-Fi and Bluetooth functions on your mobile phone. Search for new Bluetooth devices and select the one named 'smartBox-xxxx' (the last four digits may vary).
- Activate Android Auto: Wait for a few seconds. The Android Auto interface will be activated on your car's screen. You may need to confirm data usage or agree to terms on your car's display.

Figure 3: Plugging in the Adapter

Figure 4: Multiple Connection Options

Figure 5: Pairing Process

Figure 6: Android Auto Activated
Setup Video Guide:
Video 1: First-time Connection Steps for Android Auto Dongle. This video demonstrates the initial setup process for connecting the wireless adapter to your car and phone.
4. Operating Instructions
Once connected, the U2A-AIR adapter provides a fast and stable wireless Android Auto experience. It automatically connects within 5-15 seconds of starting your car.
- Seamless Functionality: Enjoy all standard Android Auto features such as navigation, music streaming, voice assistance, and phone calls without compromising on the original car operation.
- Voice Control: Use voice commands for navigation, music playback, and calls.
- GPS Navigation: Utilize your preferred navigation apps like Google Maps or Waze directly on your car's display.
- Online Music: Stream music from apps like Spotify, YouTube Music, and Amazon Music.

Figure 7: Android Auto Interface Features
Operation Video Guide:
Video 2: Wireless Android Auto Adapter in action. This video showcases the adapter's quick response and stable connection during use.
5. Compatibility
The U2A-AIR wireless Android Auto adapter is designed to work with cars or stereos that come with wired Android Auto from the factory. It is compatible with over 800 car models.
Important: Ensure your phone is compatible with Android Auto. Android 11 or higher versions are highly recommended for optimal performance.

Figure 8: Wide Vehicle Compatibility
Not Compatible With:
- iPhones/Car stereos (this adapter is for Android Auto only)
- Non-factory wired Android Auto cars
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | U2A-AIR Android Auto Wireless |
| Brand | MSXTTLY |
| Connectivity Technology | Bluetooth |
| Wireless Communication Standard | Bluetooth |
| Color | Black&White |
| Item Weight | 2.39 ounces |
| Package Dimensions | 5.31 x 3.58 x 0.67 inches |
7. Troubleshooting
- Connection Issues: Ensure your car's USB port is a data port, not just a charging port. Verify Bluetooth and Wi-Fi are enabled on your phone and correctly paired with 'smartBox-xxxx'.
- Intermittent Disconnections: Check for any interference from other wireless devices in the car. Ensure your phone's Android Auto app is up to date.
- No Audio: Confirm your car's audio source is set to Android Auto or Bluetooth. Check volume levels on both your phone and car stereo.
- Performance Lag: Ensure your phone's operating system (Android 11+) and Android Auto app are updated. Close unnecessary background apps on your phone.
8. Maintenance
To ensure the longevity and optimal performance of your U2A-AIR adapter:
- Keep the adapter clean and free from dust and debris.
- Avoid exposing the adapter to extreme temperatures or direct sunlight for prolonged periods.
- Do not attempt to disassemble or repair the device yourself.
9. Warranty & Support
The MSXTTLY U2A-AIR Wireless Android Auto Adapter comes with a 12-month warranty.
For any technical assistance, online reporting, or OTA upgrades, MSXTTLY offers 24/7 professional technical support to ensure your wireless Android Auto adapter always performs at its peak.
Please refer to the contact information provided in your package or visit the official MSXTTLY website for support details.




