Introduction
The T&G TG668 is a versatile 50W high-power portable Bluetooth speaker designed to deliver clear, dynamic, and rich audio with distinct levels. Featuring advanced wireless audio decoding technology, it supports seamless connection to various Bluetooth-enabled devices such as mobile phones, tablets, and TVs, with an effective working distance of over 10 meters. Its robust design makes it suitable for both indoor and outdoor use, providing an immersive audio experience wherever you go.
Product Features
- Advanced Bluetooth Technology: Utilizes advanced Bluetooth 5.3 chip and circuit design for stable and wide compatibility with all Bluetooth devices.
- Powerful Audio: Equipped with built-in low-frequency radiators for super dynamic low-frequency sound pressure gain, ensuring transparent and flexible sound.
- Wide Compatibility: Connects wirelessly to mobile phones, tablets, TVs, and other devices within a 10-meter range.
- Multiple Playback Modes: Supports AUX IN audio input, built-in MP3 decoding for direct playback from TF cards and U disks.
- FM Radio: Integrated FM radio module with convenient auto-scan and save functions for radio channels.
- Hands-Free Calling: Features a built-in microphone for hands-free phone calls.
- True Wireless Stereo (TWS): Supports TWS function for pairing two TG668 speakers for an enhanced stereo sound experience.
- IPX5 Waterproof: Designed with an IPX5 rating, offering protection against water splashes and light rain.
- RGB Lighting: Features a color light button to turn on/off the color light and switch between flashing modes.
- Portable Design: Handheld design with a durable strap for easy portability.
Specifications
| Feature | Specification |
|---|---|
| Bluetooth Version | 5.3 |
| Working Distance | Up to 10 meters |
| Signal-to-Noise Ratio (SNR) | ≥95dB |
| Battery Capacity | 3.7V 1500mAh |
| Normal Volume Playback Time | Approximately 2 hours |
| Speaker Driver | Ø 52 mm * 2 |
| Output Power | 50W (Total) |
| Frequency Response | 120Hz-18KHz |
| Unit Dimensions (L x W x H) | 235mm x 99mm x 110mm (9.25in x 3.89in x 3.93in) |
| Charging Input | 5V/1000mA (USB) |
| Waterproof Rating | IPX5 |
| Sound Mode | Hi-Res Sound Mode, Stereo Sound Mode |
| Audio Crossover | Two-Way |
| Cabinet Material | Plastic |
| Support APP | Yes |
| Voice Control | No |
| Intelligent Personal Assistant | None |
Package Contents
Please check the package for the following items:
- T&G TG668 Bluetooth Speaker
- USB Charging Cable
- User Manual
Setup and Installation
1. Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB charging cable to the speaker's charging port and a 5V/1000mA USB power adapter (not included). The charging indicator will typically show charging status and turn off or change color when fully charged.
2. Power On/Off
To power on the speaker, long press the power button until you hear an audible indication or see the power indicator light up. To power off, long press the power button again until the indicator turns off.
3. Bluetooth Pairing
- Ensure the speaker is powered on and in Bluetooth mode (it usually defaults to Bluetooth mode upon startup). The Bluetooth indicator will flash, indicating it's ready for pairing.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "TG668" from the list of found devices.
- Once paired, the speaker will emit a confirmation sound, and the Bluetooth indicator will stop flashing and remain solid.
4. True Wireless Stereo (TWS) Pairing (Optional)
To pair two TG668 speakers for TWS stereo sound:
- Ensure both speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), long press the TWS button (often the Play/Pause button or a dedicated TWS button, refer to the control diagram).
- The speaker will search for another TG668 speaker. Once found, they will automatically pair, and you will hear a confirmation sound.
- Connect your device to the primary speaker via Bluetooth as described in step 3. Both speakers will now play audio in stereo.
Operating Instructions
Button Functions:
- Power Button: Long press to power on/off.
- Mode Button (M): Short press to switch between modes (Bluetooth, U disk, TF card, FM radio, AUX IN).
- Color Light Button: Long press to turn the color light on/off. Short press to switch between different color light flashing modes.
- Play/Pause Button (►▮): Short press to play or pause music. In wireless mode, tap to answer an incoming call, tap again to end the call, and double-click to redial the last number.
- Volume Down / Previous Track Button (-): Short press to go to the previous track. Long press to decrease volume.
- Volume Up / Next Track Button (+): Short press to go to the next track. Long press to increase volume.
Using Different Modes:
- Bluetooth Mode: After successful pairing, music from your connected device will play through the speaker.
- U Disk/TF Card Mode: Insert a USB flash drive or TF card into the respective port. The speaker will automatically switch to the corresponding mode and begin playing music.
- AUX IN Mode: Connect an audio device using a 3.5mm AUX cable to the speaker's AUX port. The speaker will switch to AUX mode, and audio from your device will play.
- FM Radio Mode: In FM mode, short press the Play/Pause button to automatically search for and save available radio stations. Short press again during the search to cancel. Use the Previous/Next track buttons to navigate saved stations.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Do not use abrasive cleaners or solvents.
- Water Exposure: While the speaker is IPX5 waterproof, avoid submerging it in water. Ensure all port covers are securely closed before exposure to water splashes.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the speaker regularly, even if not in use for extended periods.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on | Low battery; Power button not pressed correctly | Charge the speaker fully; Long press the power button for 3-5 seconds |
| No sound | Volume too low; Incorrect mode; Device not connected | Increase speaker and device volume; Switch to correct input mode (Bluetooth, AUX, TF/USB); Ensure device is paired |
| Bluetooth connection unstable or fails | Speaker too far from device; Interference; Device Bluetooth issue | Move speaker closer to device (within 10m); Avoid obstacles; Restart speaker and device's Bluetooth; Forget device on phone and re-pair |
| FM radio reception poor | Weak signal; Environmental interference | Move speaker to a location with better signal; Try auto-scanning for stations again |
| TWS pairing fails | Speakers too far apart; Already connected to another device | Ensure both speakers are close and not connected to any device; Follow TWS pairing instructions carefully |
User Tips
Based on general user feedback for similar products, here are some tips:
- For optimal sound quality, ensure the speaker is placed on a stable surface.
- Keep the speaker charged to avoid interruptions during use, especially for longer listening sessions.
- Experiment with the RGB light modes to match your mood or environment.
Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.
If you encounter any issues not covered in this manual, please contact customer support for assistance.
