T&G TG537 Portable Bluetooth Speaker Instruction Manual

1. Product Overview

The T&G TG537 is a versatile portable Bluetooth speaker designed for various audio playback needs. It features a dual loudspeaker system with a built-in low-frequency amplifier for enhanced bass. The speaker also includes a cool light design and supports multiple playback modes.

2. Package Contents

• T&G TG537 Portable Bluetooth Speaker
• USB Charging Cable
• AUX Audio Cable

3. Setup and First Use

3.1 Charging the Speaker

1. Connect the provided USB charging cable to the speaker's charging port.
2. Connect the other end of the USB cable to a compatible USB power adapter (not included) or a computer's USB port.
3. The charging indicator light will illuminate. Once fully charged, the light may change color or turn off, depending on the model.

3.2 Powering On/Off

• To power on, press and hold the power button until you hear an audible prompt or see the LED lights activate.
• To power off, press and hold the power button again until the speaker powers down.

4. Operating Instructions

4.1 Button Controls

• LED ON/OFF Button: Controls the cool light feature.
• Mode/FM Button (M): Short press to switch between playback modes (Bluetooth, TF Card, USB Disk, AUX, FM Radio). Long press to initiate FM radio scan.
• Previous/Volume Down Button (-): Short press for previous track. Long press to decrease volume.
• Suspend/Play/Pause Button (►||): Short press to play or pause audio.
• Next Song/Volume Up Button (+): Short press for next track. Long press to increase volume.

4.2 Playback Modes

1. Bluetooth Mode:
   • Ensure the speaker is powered on and in Bluetooth mode (indicated by a flashing blue light or audible prompt).
   • Enable Bluetooth on your device (smartphone, tablet, etc.) and search for 'TG537'.
   • Select 'TG537' to pair. Once paired, the speaker will confirm with an audible prompt.
2. TF Card Mode:
   • Insert a TF (MicroSD) card with audio files into the designated slot.
   • The speaker will automatically switch to TF Card mode and begin playback. If not, press the 'M' button to switch modes.
3. USB Disk Mode:
   • Insert a USB flash drive with audio files into the USB port.
   • The speaker will automatically switch to USB Disk mode and begin playback. If not, press the 'M' button to switch modes.
4. AUX Line-In Mode:
   • Connect one end of the provided AUX audio cable to your audio source's headphone jack and the other end to the speaker's AUX port.
   • The speaker will automatically switch to AUX mode. If not, press the 'M' button to switch modes.
5. FM Radio Mode:
   • Press the 'M' button to switch to FM Radio mode.
   • Long press the 'M' button to automatically scan and save available FM stations.
   • Use the Previous (-) and Next (+) buttons to navigate between saved stations.

4.3 True Wireless Stereo (TWS) Function

The TWS function allows two TG537 speakers to be interconnected wirelessly to form a stereo audio system, providing a richer and more immersive sound experience.

1. Ensure both TG537 speakers are powered on and in Bluetooth mode, but not connected to any device.
2. On one of the speakers (this will be the primary speaker), long press the 'M' button until you hear a pairing tone.
3. The two speakers will automatically connect to each other. Once connected, you will hear a confirmation tone.
4. Now, connect your device to the primary speaker via Bluetooth as described in section 4.2. The audio will play through both speakers in stereo.

4.4 Hands-Free Calling

When connected via Bluetooth to a smartphone, the speaker can be used for hands-free calls.

• Answer/End Call: Short press the Suspend/Play/Pause button.
• Reject Call: Long press the Suspend/Play/Pause button.
• Redial Last Number: Double-press the Suspend/Play/Pause button.

4.5 Cool Light Feature

The speaker features an integrated cool light design. Use the dedicated LED ON/OFF button to toggle the lights on or off.

5. Maintenance

• Keep the speaker away from extreme temperatures, direct sunlight, and corrosive liquids.
• Clean the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Ensure all ports are dry before charging or connecting external devices.
• Store the speaker in a cool, dry place when not in use for extended periods.

6. Troubleshooting

• Speaker does not power on: Ensure the battery is charged. Connect to a power source and try again.
• No sound: Check the volume level on both the speaker and your connected device. Ensure the correct playback mode is selected.
• Bluetooth pairing issues: Make sure the speaker is in Bluetooth pairing mode and within range of your device. Disconnect from other Bluetooth devices if necessary. Try restarting both the speaker and your device.
• Poor sound quality: Ensure the speaker is not too far from the connected device (within 10m wireless range). Check for obstructions between the speaker and device.
• TWS connection issues: Ensure both speakers are not connected to any other Bluetooth device before attempting TWS pairing.

7. Specifications

8. User Tips

• For optimal sound quality, ensure the speaker is placed on a stable surface and not obstructed.
• To extend battery life, fully charge the speaker before first use and avoid completely draining the battery frequently.
• When using the FM radio, try moving the speaker to different locations to improve signal reception.
• If experiencing connectivity issues, try resetting your device's Bluetooth settings and re-pairing.

9. Warranty and Support

This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. For warranty claims or technical support, please contact the retailer or manufacturer directly. Keep your proof of purchase for warranty validation.

Certifications: CE, RoHS, WEEE.