T25 Car Bluetooth 5.0 FM Modulator Transmitter User Manual

1. Introduction

Thank you for choosing the T25 Car Bluetooth 5.0 FM Modulator Transmitter. This device allows you to stream audio wirelessly from your smartphone or other Bluetooth-enabled devices to your car's FM radio. It also features fast charging capabilities and supports music playback from USB disks and TF cards, along with smart voice navigation. Please read this manual carefully before use to ensure proper operation and to prevent damage.

2. Safety & Warnings

Read all instructions before use to ensure safety and prevent damage.

• Warning: Do not expose the device to extreme temperatures or harsh environments.
• Warning: Keep the device and its cord out of reach of children under 3 years old.
• Do not use the device if it appears visibly damaged.

3. Package Contents

The package should contain the following item:

• 1 x T25 Car Bluetooth 5.0 FM Modulator Transmitter

Note: A user manual (PDF) is also available for download.

4. Product Overview

The T25 Car Bluetooth FM Modulator Transmitter is designed for universal compatibility with 12V/24V car power outlets. It features a clear display, dual USB ports for charging and media playback, and intuitive controls.

Key features include:

• Bluetooth 5.0 for stable connection
• Dual USB ports for fast charging (DC5V 2.4A MAX) and USB disk playback
• TF card slot for music playback
• Support for APE/FLAC/MP3/WMA/WAV audio formats
• FM transmission frequency: 87.5MHz-108MHz
• Smart voice navigation broadcast
• Noise suppression technology
• Car voltage display

5. Specifications

6. Setup Instructions

1. Preparation: Remove all protective films, packaging materials, or tags from the device.
2. Inspection: Check the device for any visible damage before use. Do not use if damaged.
3. Insert into Car Cigarette Lighter: Plug the T25 transmitter into your car's 12V/24V cigarette lighter socket. The device will power on and the display will light up.
4. Set FM Frequency:
   1. Tune your car's FM radio to an empty frequency (one with no strong broadcast signal).
   2. Adjust the FM frequency on the T25 transmitter to match your car's radio frequency. Use the multi-function button (often a rotary knob or dedicated buttons) to change the frequency.
5. Bluetooth Pairing:
   1. On your smartphone or Bluetooth-enabled device, enable Bluetooth and search for available devices.
   2. Select "T25" (or similar name) from the list of devices to pair.
   3. Once paired, the device will confirm the connection, and you can now stream audio.

7. Operating Instructions

7.1 Music Playback

The T25 supports three playback modes: Bluetooth, USB Disk, and TF Card.

1. Bluetooth Playback: After successful pairing, play music on your smartphone. The audio will be transmitted to your car's speakers via the set FM frequency.
2. USB Disk / TF Card Playback:
   1. Insert a USB disk (up to 32GB) into the designated USB port or a TF card (up to 32GB) into the TF card slot.
   2. The device will automatically detect and play music files (APE/FLAC/MP3/WMA/WAV formats) from the storage device.
   3. Use the previous/next track buttons on the transmitter to navigate your music.

7.2 Voice Navigation

Once your smart device is connected via Bluetooth, the T25 can broadcast navigation instructions through your car's speakers.

7.3 Device Charging

The T25 features dual USB ports for charging your mobile devices. One port is typically for fast charging (DC5V 2.4A MAX), while the other can be used for charging or USB disk playback.

8. User Tips

• For best audio quality, always choose an FM frequency that is completely clear of any radio stations.
• Ensure your USB disk or TF card is formatted correctly and contains supported audio file types for seamless playback.
• The device is compatible with both 12V and 24V car power systems, making it suitable for a wide range of vehicles.

9. Troubleshooting

No Power / Device Not Turning On:

Ensure the device is securely plugged into the car's cigarette lighter socket. Check if the car's power outlet is functioning correctly.

Poor Audio Quality / Static Noise:

This is often due to FM interference. Try changing the FM frequency on both the transmitter and your car radio to a different, clear channel. Ensure the frequency is not used by any local radio stations.

Bluetooth Disconnection / Unable to Pair:

Make sure Bluetooth is enabled on your smartphone and the T25 is in pairing mode. Try restarting both the transmitter and your phone's Bluetooth. Ensure no other devices are actively connected to the T25.

USB Disk / TF Card Not Playing:

Check if the storage device is inserted correctly. Ensure the music files are in a supported format (APE/FLAC/MP3/WMA/WAV) and the storage capacity does not exceed 32GB. Try reformatting the storage device if issues persist.

Slow Charging / No Charging:

Verify that the charging cable is properly connected to both the device and the T25's USB port. Ensure the device being charged is compatible with the 5V 2.4A output. Try a different charging cable or USB port.

10. Maintenance

To ensure the longevity and optimal performance of your T25 Car Bluetooth FM Modulator Transmitter:

• Post-Use Care: Clean the device surface with a dry, soft cloth after use.
• Storage: Store the device in a cool, dry, and well-ventilated place when not in use.
• Avoid using harsh chemicals or abrasive cleaners on the device.
• Do not disassemble the device, as this will void any potential warranty and may cause damage.

11. Warranty & Support

For any product-related inquiries, technical support, or warranty information, please refer to the official product page or contact the seller directly. Keep your purchase receipt as proof of purchase.

12. Additional Resources

A detailed user manual in PDF format is available for further reference:

View User Manual (PDF)