Introduction
Thank you for choosing the Dascert T09 Wireless Sport Earbuds. This manual provides detailed instructions on how to set up, operate, and maintain your earbuds to ensure optimal performance and longevity. Please read this manual carefully before using the product.
Package Contents
Please check the package for the following items:
- Dascert T09 Wireless Sport Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- Ear Tips (S, M, L sizes)
- User Manual
Product Overview
The Dascert T09 Wireless Sport Earbuds are designed for an active lifestyle, offering a secure fit, high-quality audio, and robust features.

Image: Dascert T09 Wireless Sport Earbuds and their charging case.
Key Features:
- Bluetooth 5.2 Technology: Ensures faster data transfer, a more stable connection, and clearer audio.
- CVC8.0 Noise Cancellation: Enhances call quality by reducing ambient noise.
- IP7 Waterproof Rating: Protects earbuds from rain, sweat, and splashes, making them ideal for sports.
- 40 Hours Playtime: Up to 8 hours on a single charge, with an additional 32 hours provided by the charging case.
- Ergonomic Ear Hooks: Soft and flexible silicone ear hooks provide a secure and comfortable fit during intense activities.
- Smart Touch Control: Easy management of music playback, calls, and voice assistant activation.

Image: A person wearing Dascert T09 earbuds during a workout, demonstrating the secure fit.

Image: Dascert T09 Earbuds featuring adjustable ear hooks for a stable fit.
Charging
To ensure your earbuds are always ready for use, follow these charging instructions:
Charging the Earbuds
- Place the earbuds into the charging case. Ensure they are correctly seated in their respective slots.
- The LED indicator on the charging case will show the charging status of each earbud.
- A full charge for the earbuds takes approximately 2 hours.

Image: The charging case with a USB-C cable connected for fast charging.
Charging the Case
- Connect the provided USB-C charging cable to the charging port on the case and to a USB power source (e.g., wall adapter, computer).
- The LED display on the charging case will show the battery percentage, indicating the case's charge level.
- The charging case provides multiple full charges for the earbuds, extending total playtime up to 40 hours.

Image: Dascert T09 Wireless Sport Earbuds in their charging case, displaying battery levels.
Pairing
Follow these steps to pair your Dascert T09 earbuds with your device:
- Initial Pairing:
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "T09" in the list of available Bluetooth devices and select it to connect.
- Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.
- Automatic Reconnection: After the initial pairing, the earbuds will automatically connect to the last paired device when removed from the charging case.
- Single Earbud Mode: You can use either the left or right earbud independently. Simply take one earbud out of the case, and it will connect.

Image: Illustration of the automatic pairing process for the Dascert T09 earbuds.

Image: Diagram showing the wide compatibility of Dascert T09 earbuds with various devices like smartphones, tablets, and laptops.
Controls (Touch Control)
The Dascert T09 earbuds feature intuitive touch controls for easy management of your audio and calls:
| Action | Left Earbud | Right Earbud |
|---|---|---|
| Play/Pause | Single tap | Single tap |
| Volume Up/Down | Double tap (Volume Down) | Double tap (Volume Up) |
| Next Song | Triple tap | Triple tap |
| Answer/End Call | Single tap | Single tap |
| Reject Call | Press and hold for 3 seconds | Press and hold for 3 seconds |
| Activate Voice Assistant (Siri/Google Assistant) | Press and hold for 2 seconds | Press and hold for 2 seconds |

Image: Illustration showing how to activate voice assistant (Siri/Google Assistant) using the earbuds.
Wearing the Earbuds
For optimal sound quality and a secure fit, especially during physical activity, follow these guidelines:
- Choose the Right Ear Tips: Select the ear tips (S, M, L) that provide the best seal and comfort for your ears. A good seal is crucial for bass response and noise isolation.
- Position the Earbuds: Insert the earbud into your ear canal and rotate it gently until it feels snug.
- Adjust the Ear Hooks: Position the flexible ear hook over your ear to secure the earbud in place. Adjust it for maximum comfort and stability.

Image: Diagram illustrating the stable and comfortable fit of the Dascert T09 earbuds with ear hooks.
Waterproof Rating (IP7)
The Dascert T09 earbuds are rated IP7 waterproof, meaning they are protected against the effects of temporary immersion in water (up to 1 meter for 30 minutes). This makes them suitable for:
- Sweaty workouts
- Running in light rain
- Protection against splashes
Note: The charging case is not waterproof. Do not expose the charging case to water or moisture.

Image: Visual representation of the IP7 waterproof rating, showing earbuds resistant to water.

Image: People using Dascert T09 earbuds in various active scenarios, highlighting their waterproof and sport-friendly design.
Specifications
| Feature | Detail |
|---|---|
| Model Number | T09 |
| Bluetooth Version | 5.2 |
| Wireless Range | Up to 10 meters |
| Battery Life (Earbuds) | Up to 8 hours |
| Total Playtime with Charging Case | Up to 40 hours |
| Charging Time (Earbuds) | Approx. 2 hours |
| Charging Port | USB Type-C |
| Waterproof Rating | IP7 |
| Noise Control | CVC8.0 Noise Cancellation (for calls) |
| Impedance | 32 Ohms |
| Frequency Range | 20 Hz - 20,000 Hz |
| Compatible Devices | Smartphones, Tablets, Smart Speakers, Fitness Trackers |
| Product Dimensions | 8.5 x 5 x 4.1 cm |
| Product Weight | 330 g |
Troubleshooting
If you encounter any issues with your Dascert T09 earbuds, please refer to the following common solutions:
Earbuds Not Pairing
- Ensure Bluetooth is enabled on your device.
- Make sure the earbuds are charged and removed from the charging case.
- Try turning off Bluetooth on your device and then turning it back on.
- Forget "T09" from your device's Bluetooth list and attempt to pair again.
- Restart your device.
No Sound from One Earbud
- Place both earbuds back into the charging case, close the lid, wait a few seconds, then take them out again.
- Ensure both earbuds are charged.
- Check your device's audio settings to ensure balance is centered.
Earbuds Not Charging
- Ensure the charging cable is securely connected to both the case and the power source.
- Check if the charging contacts on the earbuds and inside the case are clean and free of debris.
- Verify that the charging case itself has sufficient battery charge.
- Try using a different USB-C cable or power adapter.
Uncomfortable Fit or Falling Out
- Experiment with the different sizes of ear tips (S, M, L) provided to find the best fit for your ear canal.
- Adjust the flexible ear hooks to ensure they sit securely and comfortably over your ears.
- Ensure the earbuds are inserted correctly into your ear canal and rotated for a snug fit.
Poor Call Quality
- Ensure the microphone is not obstructed.
- Move closer to your connected device to avoid signal interference.
- Check for any environmental noise that might be affecting the call.
Safety Information
Please read and follow these safety guidelines to prevent damage to your device or injury to yourself:
- Do not disassemble, repair, or modify the earbuds or charging case.
- Keep the device away from extreme temperatures, direct sunlight, and open flames.
- Do not immerse the charging case in water or expose it to excessive moisture.
- Avoid using the earbuds at high volume levels for extended periods to prevent hearing damage.
- Keep out of reach of children and pets.
- Dispose of the product responsibly according to local regulations.
Warranty and Support
Dascert products come with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact Dascert customer support.
If you require further assistance or have questions not covered in this manual, please contact our customer support team via the official Dascert website or your retailer's support channels.





