YUXINUO BT93 Car MP3 Bluetooth Hands-Free QC3.0 Fast Charger User Manual

1. Introduction

Thank you for choosing the YUXINUO BT93 Car MP3 Bluetooth Hands-Free QC3.0 Fast Charger. This device is designed to enhance your in-car audio experience, provide convenient hands-free calling, and offer fast charging for your mobile devices. It features a high-quality Bluetooth chip, a vibrant 1.8-inch color TFT display, and supports various audio formats for lossless music playback. Please read this manual carefully before use to ensure proper operation and to maximize the product's performance.

2. Safety Information

• Do not expose the device to extreme temperatures, direct sunlight, or moisture.
• Avoid dropping or subjecting the device to strong impacts.
• Do not attempt to disassemble or modify the device, as this will void the warranty and may cause damage.
• Keep out of reach of children.
• Ensure the device is securely plugged into the car's cigarette lighter socket to prevent dislodgement during driving.
• Always pay attention to the road while driving and use hands-free functions responsibly.

3. Package Contents

Please check the package for the following items:

• BT93 Host Unit
• English Instruction Manual
• Packaging Box

4. Product Overview

The BT93 combines multiple functionalities into one compact device:

• Bluetooth 5.0: For stable and efficient wireless connection.
• Hands-Free Calling: Built-in microphone with noise reduction for clear calls.
• QC3.0 Fast Charging: Quick Charge 3.0 port for rapid device charging, plus a standard 5V/1A USB port.
• Music Playback: Supports music from Bluetooth, TF card, and USB flash drive.
• Hi-Fi Lossless Audio: Compatible with MP3, WMA, WAV, APE, FLAC formats.
• Adjustable EQ: Dedicated BASS and TREBLE adjustment buttons.
• 1.8-inch Color TFT Display: Shows song information, FM frequency, voltage, and more.
• Voice Assistant Support: Quick activation for Siri and Google Assistant.
• 180° Angle Adjustment: Flexible design for optimal viewing and access.

Key Components:

1. Color TFT Display: Shows various information.
2. TF Card Slot: For playing music from a TF card (up to 32GB).
3. BASS Button: Adjusts bass levels.
4. TRE Button: Adjusts treble levels.
5. CH+ / CH- Buttons: Short press to adjust FM frequency, long press for fast adjustment.
6. Previous/Next Song Buttons: Controls music playback.
7. U Disk Playback Port: For playing music from a USB flash drive (up to 64GB).
8. QC3.0 Charging Port: Fast charging output.
9. Headphone Output: 3.5mm audio jack.
10. Volume Multi-function Knob: Rotate to adjust volume, press for various functions.
11. Unidirectional Condenser Microphone: For hands-free calls.

5. Setup Instructions

1. Insert into Car Cigarette Lighter: Plug the BT93 into your car's 12V/24V cigarette lighter socket. The device will power on automatically, and the display will light up.

2. 

3. Adjust FM Frequency: The display will show an FM frequency. Tune your car's radio to an empty FM frequency (one with no broadcast signal) to avoid interference. Then, short press the 'CH+' or 'CH-' buttons on the BT93 to match its frequency to your car radio's frequency. Long press for faster adjustment.
4. Bluetooth Pairing:
   1. The BT93 display will show 'Bluetooth BT93' and a Bluetooth icon, indicating it's in pairing mode.
   2. On your smartphone, enable Bluetooth and search for available devices.
   3. Select 'BT93' from the list to pair. Once connected, the Bluetooth icon on the BT93 display will become solid.
5. Insert Storage (Optional): If you wish to play music from a TF card or USB flash drive, insert it into the respective slot on the BT93. The device will automatically detect and switch to the storage mode.

6. 

7. Angle Adjustment: The BT93 supports 180° angle adjustment. Rotate the main unit to your preferred viewing angle for optimal visibility and accessibility.

8. 

6. Operating Instructions

6.1. Music Playback

• Bluetooth Mode: Once paired with your phone, open your music app and start playing. Audio will transmit to your car's speakers via the set FM frequency. Use the Previous/Next buttons on the BT93 or your phone to control tracks.
• TF Card/USB Drive Mode: Insert a TF card (up to 32GB) or USB flash drive (up to 64GB) containing MP3, WMA, WAV, APE, or FLAC audio files. The device will automatically switch to the corresponding mode and begin playback. Use the Previous/Next buttons to navigate tracks.
• Volume Control: Rotate the multi-function knob to adjust the playback volume.
• EQ Adjustment: Press the 'BASS' button to enhance bass or the 'TRE' button to adjust treble.

6.2. Hands-Free Calling

When your phone is connected via Bluetooth:

• Answer/End Call: Press the multi-function knob once to answer an incoming call. Press it again to end the call.
• Reject Call: Long press the multi-function knob to reject an incoming call.
• Redial: Double-press the multi-function knob to redial the last number.
• Noise Reduction: The built-in independent noise reduction chip helps eliminate road noise, wind noise, and static for clearer conversations.

6.3. Device Charging

The BT93 features two charging ports:

• QC3.0 Port: For fast charging compatible devices.
• 5V/1A Port: For standard charging of other devices.

Simply connect your device using a compatible USB cable to the desired charging port.

6.4. Voice Assistant

The BT93 supports quick activation of Siri and Google Assistant. Once your phone is connected via Bluetooth, long press the multi-function knob to activate your phone's voice assistant. You can then use voice commands for navigation, making calls, or other tasks.

6.5. Display Information

The 1.8-inch color TFT display provides real-time information, including:

• Current FM frequency
• Bluetooth connection status
• Song title and artist (when available)
• Playback progress
• Car battery voltage
• Incoming call information

7. Maintenance

• Cleaning: Use a soft, dry cloth to clean the device. Do not use harsh chemicals or abrasive cleaners.
• Storage: When not in use for extended periods, unplug the device from the car's cigarette lighter and store it in a cool, dry place.
• Avoid Liquids: Keep the device away from water and other liquids to prevent damage.

8. Troubleshooting

If you encounter issues with your BT93, please refer to the following common problems and solutions:

• No Power:
  - Ensure the device is securely plugged into the car's cigarette lighter socket.
  - Check if your car's cigarette lighter socket is working (e.g., by testing with another device).
  - Verify your car's voltage is within the DC9-28V operating range.
• No Sound/Poor Sound Quality:
  - Ensure your car radio is tuned to the same empty FM frequency as the BT93.
  - Adjust the volume on both the BT93 and your car radio.
  - Try a different empty FM frequency to avoid interference.
  - Check the audio source (Bluetooth, TF card, USB) for proper playback.
  - Ensure the BT93 is securely connected to the cigarette lighter.
• Bluetooth Disconnection/Unable to Pair:
  - Make sure Bluetooth is enabled on your smartphone.
  - Delete 'BT93' from your phone's Bluetooth device list and try pairing again.
  - Restart both your phone and the BT93 (by unplugging and re-plugging).
  - Ensure your phone is within the effective range of the BT93.
• Charging Not Working:
  - Ensure the charging cable is securely connected to both the BT93 and your device.
  - Try a different USB cable.
  - Verify your device supports QC3.0 for fast charging, otherwise it will charge at standard speed.
• TF Card/USB Drive Not Reading:
  - Ensure the TF card or USB drive is inserted correctly.
  - Check if the audio files are in a supported format (MP3, WMA, WAV, APE, FLAC).
  - Verify the storage capacity is within limits (U disk <64GB, TF card <32GB).
  - Try a different TF card or USB drive.

9. Specifications

Note: All data are laboratory test results. Actual usage may vary.

10. User Tips

• Find a Clear FM Frequency: Spend a moment to find the clearest, unused FM frequency in your area. This will significantly improve audio quality and reduce static.
• Optimal Angle: Adjust the device's angle using its 180° rotation feature to ensure the display is easily visible and the controls are accessible without obstructing your view of the road.
• Voice Assistant Convenience: Utilize the quick activation for Siri/Google Assistant for hands-free navigation, calling, and music control, keeping your focus on driving.
• Check Car Voltage: The display shows your car's battery voltage. Keep an eye on it to monitor your car battery's health.

11. Warranty and Support

This product comes with a standard manufacturer's warranty. For warranty claims, technical support, or any questions not covered in this manual, please contact the seller or retailer from whom you purchased the product. Please retain your proof of purchase for warranty purposes.