Universal Bluetooth 3.5mm Audio Module

1. Product Overview

The Generic Universal Bluetooth 3.5mm Audio Module (Model: BT-3.5mm) is designed to seamlessly integrate wireless audio streaming into your car's existing audio system. This compact device allows you to play music from any Bluetooth-enabled smartphone, tablet, or MP3 player directly through your car speakers, utilizing a standard 3.5mm auxiliary input.

Key features include:

• Universal Compatibility: Works with any phone, tablet, or MP3 player that has Bluetooth functionality.
• Easy Integration: Connects to your car audio/stereo via a 3.5mm auxiliary input.
• Simple Power Connection: Requires a 12V+ power source and ground connection.
• Compact Design: Discreet and easy to install.
• Certified Quality: CE APPROVED and ROHS STANDARD compliant.

This image displays the compact black Bluetooth module with its attached wiring: red and black wires for power, and a 3.5mm audio jack for connection to an auxiliary input. The module itself is small and rectangular, designed for discreet installation.

2. Safety Information

Please read and follow all safety instructions carefully before installation and use to prevent injury or damage.

• Always follow safety instructions when handling electrical devices.
• Dispose of the product and its components responsibly according to local regulations.
• Do not expose the device to extreme temperatures or humidity.
• Keep away from children and pets.
• Ensure all electrical connections are secure and properly insulated to prevent short circuits.
• Disconnect the vehicle's battery before performing any wiring to avoid electrical shock or damage.

3. Package Contents

Your package should contain the following items:

• 1x Bluetooth Module (Model: BT-3.5mm) with integrated wiring (Red for 12V+, Black for Ground, 3.5mm Audio Jack).
• 1x User Manual (this document).

This image provides a closer view of the Bluetooth module, highlighting the red wire (12V+), black wire (Ground), and the 3.5mm audio jack, which are essential for installation.

4. Setup & Installation

Follow these steps to install and set up your Bluetooth module:

1. Power Connection:
   • Connect the RED wire to a 12V+ power source in your vehicle. This can be an accessory wire that turns on with your ignition, or a constant 12V source if you prefer the module to be always on.
   • Connect the BLACK wire to a reliable ground point in your vehicle's chassis.
2. Audio Connection:
   • Plug the 3.5mm audio jack into your car stereo's auxiliary (AUX) input. Ensure your car stereo is set to the AUX input mode.
3. Secure the Module:
   • Find a suitable, discreet location for the Bluetooth module. Ensure it is not exposed to direct sunlight, extreme temperatures, or moisture.
   • Use adhesive tape or zip ties (not included) to secure the module in place.

This image provides another perspective of the Bluetooth module, emphasizing the 3.5mm audio jack and the red and black power wires, illustrating the connections needed for installation.

Installation Video Guide

5. Operating Instructions

1. Power On: Once properly wired, the module will power on automatically when your vehicle's ignition is turned on (if connected to an accessory wire).
2. Select AUX Input: Set your car stereo to the AUX input mode.
3. Pairing:
   • On your smartphone or Bluetooth-enabled device, go to the Bluetooth settings.
   • Search for available devices. The module will appear as "SKY Bluetooth".
   • Select "SKY Bluetooth" to pair. A confirmation sound may be heard through your car speakers upon successful pairing.
4. Play Music: Once paired, open your preferred music app on your device and start playing music. The audio will be streamed wirelessly to your car speakers.

6. Troubleshooting

If you encounter any issues, refer to the following troubleshooting tips:

• No Power/No Indicator Light:
  • Check the 12V+ and ground connections. Ensure they are secure and receiving power.
  • Verify that the vehicle's ignition is on if connected to an accessory wire.
• Cannot Pair with Device:
  • Ensure the Bluetooth module is powered on.
  • Make sure your phone's Bluetooth is enabled and in pairing mode.
  • Try restarting both the Bluetooth module (by cycling vehicle power) and your phone.
  • Ensure no other devices are currently connected to the module.
• No Sound/Low Sound:
  • Confirm your car stereo is set to the correct AUX input.
  • Check the 3.5mm audio jack connection to the stereo.
  • Increase the volume on both your phone and your car stereo.
  • Ensure music is playing on your paired device.
• Static or Poor Sound Quality:
  • Ensure all wiring connections (power, ground, audio) are tight and free from interference.
  • Try routing the audio cables away from power cables to minimize interference.
  • Ensure the ground connection is solid and free from corrosion.
  • Test with a different audio source device to rule out device-specific issues.
• Intermittent Connection:
  • Ensure your paired device is within close range of the Bluetooth module.
  • Avoid physical obstructions between the device and the module.
  • Check for other strong wireless signals that might cause interference.

7. Specifications

8. Maintenance

To ensure the longevity and optimal performance of your Bluetooth module, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the module. Do not use liquid cleaners or aerosols.
• Environmental Conditions: Avoid exposing the module to direct water, extreme heat, or prolonged direct sunlight.
• Cable Care: Do not pull on the cables forcefully. Ensure cables are not pinched or bent sharply during installation or use.

9. Warranty & Support

For warranty information or technical support, please refer to the retailer or manufacturer's official website where the product was purchased. Keep your purchase receipt as proof of purchase.