Introduction
Welcome to the user manual for your Aigo TJ165 True Wireless Stereo Earbuds. These earbuds are designed to provide a comfortable and immersive audio experience, particularly suited for relaxation and sleep, thanks to their ergonomic design and sound-isolating features. This manual will guide you through the setup, operation, and maintenance of your new earbuds to ensure optimal performance and longevity.

Package Contents
Please check the box for the following items:
- Aigo TJ165 Earbuds (Left and Right)
- Charging Case
- USB Type-C Adapter
- User Manual
- Cow Horn Ear Wing Silicone Head Warm Replacement (additional ear tips for customized fit)
Specifications
| Feature | Specification |
|---|---|
| Model | TJ165 |
| Paired Name | Aigo TJ165 |
| Call Time | About 3 hours |
| Music Time | About 5 hours |
| Charging Time | About 2 hours |
| Bluetooth Version | 5.3 |
| Supporting Protocols | HSP/HFP/A2DP/AVRCP |
| Audio Encoding | SBC/AAC |
| Transmission Range | 10m/Class 2 |
| Earphone Body Battery | 3.7V 28mAh * 2 |
| Charging Case Battery | 3.7V 300mAh |
| Charging Voltage/Current | DC5V, 500mA |
| Speaker | 2x Φ 13mm, 32 Ω+10% |
| Working Temperature | -10 °C to 40 °C |
| Material | Plastic, Silica Gel |
| Weight | 92g |
| Waterproof | Yes |
| Active Noise-Cancellation | Yes |
| With Microphone | Yes |
| Control Button | Yes |
| Volume Control | Yes |
| Sound Isolating | Yes |
| Maximum Wireless Range | <10m |

Setup
1. Charging the Earbuds and Case
Before first use, fully charge your Aigo TJ165 earbuds and charging case.
- Place both earbuds into the charging case. Ensure they are correctly seated.
- Connect the provided USB Type-C adapter to the charging port on the case and plug the other end into a suitable power source (e.g., a USB wall adapter or computer USB port).
- The indicator lights on the case will show the charging status. A full charge for the case typically takes about 2 hours. The earbuds will charge automatically when placed in the powered case.
The earbuds offer approximately 5 hours of music playback on a single charge, with the charging case providing an additional 2 full recharges, totaling up to 15 hours of composite endurance.

2. Bluetooth Pairing
Follow these steps to pair your earbuds with your device:
- Open the lid of the charging case. The earbuds will automatically enter pairing mode.
- On your smartphone or other Bluetooth-enabled device, go to the Bluetooth settings.
- Ensure Bluetooth is turned on.
- Search for available devices and select "aigo TJ165" from the list.
- Once selected, the earbuds will connect, and you will hear a confirmation tone.
The Aigo TJ165 features Bluetooth 5.3 for stable transmission, strong compatibility, longer transmission distance, and lower power consumption.

Operating Instructions
1. Wearing the Earbuds
The Aigo TJ165 earbuds are designed for maximum comfort, especially for extended wear and during sleep. They feature a soft cow horn + curved ear wing design that fits snugly and integrates with the ear canal, ensuring comfort even when sleeping on your side.

2. Intelligent Touch Controls
The earbuds feature intuitive touch controls for easy management of calls and music playback:
- Incoming Call Mode:
- Answer/End Call: Click once on the touch area of either earbud.
- Reject Incoming Calls: Double click on the touch area of either earbud.
- Mobile Voice Assistant: Long press the touch area of either earbud for 3 seconds.
- Music Mode:
- Play/Pause: Click once on the touch area of either earbud.
- Next Song: Double click on the touch area of either earbud.
- Previous Song: Triple tap on the touch area of either earbud.

3. Single or Dual Earbud Use
The Aigo TJ165 earbuds can be used individually or as a pair. Simply take one earbud out of the case to use it in mono mode, or both for stereo sound. They will automatically connect to your device once removed from the case after initial pairing.
Maintenance
To ensure the longevity and optimal performance of your Aigo TJ165 earbuds, please follow these maintenance guidelines:
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using harsh chemicals, cleaning solvents, or strong detergents.
- Storage: When not in use, always store the earbuds in their charging case to protect them from dust, damage, and to keep them charged.
- Temperature: Avoid exposing the earbuds to extreme temperatures (hot or cold) or high humidity, as this can damage the battery and internal components.
- Water Resistance: While the earbuds are waterproof, it is recommended to wipe them dry after exposure to sweat or light rain before placing them back in the charging case. Do not submerge them in water.
- Charging Port: Keep the USB-C charging port free of dust and debris.
Troubleshooting
If you encounter any issues with your Aigo TJ165 earbuds, please refer to the following common solutions:
- Earbuds not pairing:
- Ensure the charging case lid is open and the earbuds are in pairing mode.
- Verify that Bluetooth is enabled on your device.
- Forget "aigo TJ165" from your device's Bluetooth list and attempt to pair again.
- Ensure the earbuds are charged.
- No sound from earbuds:
- Check the volume level on both your connected device and the earbuds.
- Ensure the earbuds are properly connected to your device via Bluetooth.
- Try resetting the earbuds by placing them back in the case, closing the lid, and then reopening it.
- Charging issues:
- Ensure the USB Type-C charging cable is securely connected to both the charging case and the power source.
- Try using a different USB-C cable or power adapter.
- Make sure the charging contacts on the earbuds and inside the case are clean and free of debris.
- Earbuds falling out or uncomfortable fit:
- Experiment with the included "Cow Horn Ear Wing Silicone Head Warm Replacement" ear tips to find the size and shape that best fits your ear canal for optimal comfort and stability.
- Ensure the earbuds are inserted correctly into your ears.
User Tips
- Optimal Sleep Comfort: The Aigo TJ165 earbuds are specifically designed for comfort during sleep. If you find them uncomfortable, try adjusting their position or switching to the alternative ear wing silicone heads provided in the package.
- Touch Control Practice: The touch controls are highly responsive. Take a few moments to practice the single, double, and triple taps, as well as the long press, to become familiar with their functions.
- Battery Preservation: To maximize battery life, always place the earbuds back into their charging case when not in use. This ensures they are protected and ready for your next listening session.
Warranty and Support
For any product-related inquiries, technical support, or warranty information not covered in this manual, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase for warranty claims.





