1. Product Overview
The Maedhawk Bluetooth 5.2 Aux Adapter is designed to seamlessly integrate wireless audio capabilities into your existing car or home stereo systems. This compact device allows you to stream music and manage calls wirelessly from your smartphone or other Bluetooth-enabled devices.
- Cost-Effective Upgrade: Transforms any old car, truck, vehicle, or home sound system into a wireless setup via its 3.5mm jack, eliminating the need for expensive stereo modifications or other Bluetooth receivers.
- Hands-Free Communication: Features a built-in microphone and a single button for answering, hanging up, rejecting, and redialing calls, enhancing driving safety. Supports audio/video output/transmit.
- Stable Bluetooth 5.2 Connection: Ensures a secure and skip-free connection for music and calls. Automatically reconnects to the last paired device upon startup.
- Rotatable 3.5mm Jack: The flexible, rotatable audio jack allows for optimal positioning in various car or stereo setups, preventing it from sticking straight out.
- Convenient Controls: Equipped with a Multi-Function Button (MFB) and dedicated volume up/down buttons for easy control of music playback and call management.
- Working While Charging: Provides 8.5-9 hours of use on a full charge (approx. 2 hours charging time) and can be used continuously while charging via the included USB-C cable.

2. Package Contents
Please check the package carefully to ensure all items are present and in good condition.
- 1 x Maedhawk Bluetooth AUX Car Adapter (Model X4)
- 1 x USB Type-C Charging Cable
- 1 x User Manual

3. Product Diagram and Components
Familiarize yourself with the different parts of your Maedhawk Bluetooth Aux Adapter:

- Rotatable Audio Jack: 3.5mm plug for connecting to AUX input.
- Previous Track / Volume - Button: Short press for previous track, long press for volume down.
- MFB (Multi-Function Button): Power On/Off, Play/Pause, Answer/End/Reject Call, Redial.
- Next Track / Volume + Button: Short press for next track, long press for volume up.
- Type-C Charging Port: For charging the device.
- LED Light: Indicates device status (pairing, connected, charging).
- Mic Hole: Built-in microphone for hands-free calls.
4. Setup and Pairing
Follow these steps to set up and pair your Maedhawk Bluetooth Aux Adapter with your device:
- Charge the Adapter: Before first use, fully charge the adapter using the provided USB-C cable. The LED indicator will show charging status.
- Power On: Press and hold the MFB (Multi-Function Button) for approximately 3 seconds until the LED light flashes blue and red alternately. This indicates the adapter is in pairing mode.
- Connect to Audio System: Plug the rotatable 3.5mm audio jack of the adapter into the AUX input of your car stereo or home audio system. Adjust the jack's angle for optimal fit.
- Enable Bluetooth on Your Device: On your smartphone, tablet, or other Bluetooth-enabled device, go to the Bluetooth settings and turn Bluetooth ON.
- Select Device: In the list of available Bluetooth devices, find and select "Maedhawk X4 Pro" (or similar name).
- Confirm Connection: Once successfully paired, the LED light on the adapter will turn solid blue. You will also hear an audible confirmation. The adapter will automatically reconnect to the last paired device when powered on.

5. Operating Instructions
Music Playback
- Play/Pause: Short press the MFB.
- Next Track: Short press the "Next Track / Volume +" button.
- Previous Track: Short press the "Previous Track / Volume -" button.
- Volume Up: Long press the "Next Track / Volume +" button.
- Volume Down: Long press the "Previous Track / Volume -" button.
Hands-Free Calling
- Answer Call: Short press the MFB when a call comes in.
- End Call: Short press the MFB during a call.
- Reject Call: Long press the MFB when a call comes in.
- Redial Last Number: Double-press the MFB.


6. Charging the Device
The Maedhawk Bluetooth Aux Adapter is equipped with a built-in rechargeable battery. Use the provided USB Type-C charging cable to charge the device.
- Connect the USB-C end of the cable to the charging port on the adapter.
- Connect the USB-A end to a standard USB power adapter (e.g., car charger, wall adapter, computer USB port).
- The LED indicator will show red during charging and turn off when fully charged.
- The adapter can be used while it is charging.

7. Maintenance and Care
To ensure the longevity and optimal performance of your Maedhawk Bluetooth Aux Adapter, please follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the surface of the adapter. Do not use liquid cleaners or aerosols.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Moisture: Do not expose the adapter to water, rain, or excessive humidity.
- Handle with Care: Avoid dropping or subjecting the device to strong impacts.
- Charging: Use only the provided USB-C cable or a certified equivalent for charging.
8. Troubleshooting
If you encounter issues with your Maedhawk Bluetooth Aux Adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Cannot power on the adapter | Low battery or no charge. | Charge the adapter fully using the USB-C cable. |
| Cannot pair with my device | Adapter not in pairing mode; Bluetooth off on device; too far from device. | Ensure adapter LED flashes blue/red. Turn on Bluetooth on your device. Move device closer to adapter (within 10 meters). |
| No sound after connecting | Volume too low; incorrect AUX input selected; adapter not fully plugged in. | Increase volume on both adapter and connected audio system. Ensure correct AUX input is selected on your stereo. Re-insert the 3.5mm jack firmly. |
| Connection is unstable or drops | Interference; device too far; low battery. | Move away from sources of strong electromagnetic interference. Keep devices within range. Charge the adapter. |
| Microphone not working during calls | Microphone hole blocked; volume too low on phone. | Ensure the mic hole is clear. Check call volume settings on your phone. |
If the problem persists after trying these solutions, please contact Maedhawk customer support for further assistance.
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | X4 |
| Bluetooth Version | 5.2 |
| Connectivity Technology | AUX |
| Power Source | Battery Powered (1 Lithium Polymer battery included) |
| Battery Capacity | 120 mAh (approximate) |
| Usage Time | Up to 8.5-9 hours (after full charge) |
| Charging Time | Approximately 2 hours |
| Charging Port | USB Type-C |
| Product Dimensions | 2.09 x 0.83 x 0.31 inches |
| Item Weight | 0.705 ounces |
| Material | Plastic, Metal |
| Special Features | BT5.2 Stable connection, Hands-Free Calls, A2DP, Rotatable audio Jack, Wireless music |
10. Safety Information
Please read and adhere to the following safety guidelines to prevent damage to the device or personal injury:
- Battery Handling: Do not disassemble, puncture, or modify the built-in battery. Avoid exposing the battery to fire or high temperatures, as it may explode. Dispose of batteries according to local regulations.
- Temperature Exposure: Do not expose the device to extreme temperatures (hot or cold), direct sunlight, or high humidity.
- Bluetooth Usage: While driving, prioritize road safety. Use hands-free calling features responsibly and avoid distractions.
- Children: Keep the device out of reach of children.
- Cleaning: Use only dry cloths for cleaning. Do not use liquid or aerosol cleaners.
11. Warranty and Support
Maedhawk products are designed and manufactured to the highest quality standards. For warranty information, technical support, or any inquiries regarding your Maedhawk Bluetooth Aux Adapter, please contact our customer service team.
Please refer to the contact information provided on the product packaging or the official Maedhawk website for the most up-to-date support details.


