Introduction
Thank you for choosing WALLA SOUND T9 Bluetooth Earbuds. These true wireless earbuds are designed to provide a superior audio experience with advanced features such as Bluetooth 5.3 connectivity, active noise cancellation, and IPX5 water resistance. This manual will guide you through the setup, operation, and maintenance of your new earbuds to ensure optimal performance and longevity.
What's in the Box?
- WALLA SOUND T9 Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- Ear Cushions (various sizes)
- Protective Case

Image: Contents of the WALLA SOUND T9 Earbuds package, showing the earbuds, charging case, USB-C cable, and multiple sizes of ear tips.
Product Overview
The WALLA SOUND T9 Earbuds feature a compact design with an ergonomic fit. The charging case includes an LED display to indicate battery status. Each earbud is equipped with touch controls for easy management of audio playback and calls.

Image: The WALLA SOUND T9 Earbuds displayed with their charging case, highlighting their sleek design.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging port on the case and to a USB power source. The LED display on the case will show the charging progress. A full charge for the earbuds takes approximately 1 hour, and the charging case takes about 1.5 hours.

Image: The WALLA SOUND T9 charging case with its digital LED display indicating battery percentage, connected via a USB-C cable for charging.
2. Pairing with Your Device
- Ensure the earbuds are charged and placed inside the charging case.
- Open the charging case lid. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Search for "WallaSound Pro Wireless Earbuds T9" in the list of available Bluetooth devices.
- Select the earbuds to connect. Once connected, you will hear an audible confirmation.
Thanks to Bluetooth 5.3 technology, the connection is stable, offers a longer range, and ensures fast pairing with your devices.

Image: A smartphone displaying its Bluetooth settings, showing the WALLA SOUND T9 Earbuds as a connected device, emphasizing the Bluetooth 5.3 pairing process.
Operating the Earbuds
Wearing the Earbuds
Select the ear tips that provide the most comfortable and secure fit. Insert the earbuds into your ears and gently twist them to ensure the stabilizing fins are properly anchored. This ergonomic design ensures a strong hold, ideal for activities like running or gym workouts.

Image: A person wearing the WALLA SOUND T9 Earbuds, illustrating how the twist-in stabilizing fins provide a confident and secure fit for various ear types during physical activity.
Touch Controls
The WALLA SOUND T9 Earbuds feature high-sensitivity touch controls on each earbud for easy management of your audio and calls. Refer to the diagram below for common functions:

Image: A visual guide detailing the touch control commands for the WALLA SOUND T9 Earbuds, showing gestures for functions such as playing/pausing music, skipping tracks, adjusting volume, answering/rejecting calls, and activating voice assistant.
Active Noise Cancellation (ANC)
The earbuds are equipped with advanced Active Noise Cancellation (ANC) technology, utilizing feed-forward and feed-back microphones for dual noise reduction. This feature helps to minimize ambient sounds, providing a more immersive listening experience and ensuring crystal-clear calls.
Maintenance
Cleaning
Regularly clean your earbuds and charging case to maintain optimal performance and hygiene. Use a soft, dry, lint-free cloth to wipe the surfaces. For ear tips, remove them and clean with a mild soap solution, then rinse and dry thoroughly before reattaching. Avoid using harsh chemicals or abrasive materials.
Water Resistance
The WALLA SOUND T9 Earbuds are IPX5 waterproof, meaning they are designed to withstand sweat, rain, and splashes. They are not intended for submersion in water. After exposure to moisture, ensure the earbuds and charging case are completely dry before placing them back in the case or charging.

Image: A close-up view of the WALLA SOUND T9 Earbuds covered in water droplets, illustrating their IPX5 splash-proof and water-resistant design.
Storage
When not in use, store the earbuds in their charging case to protect them from dust and damage. Store the case in a cool, dry place away from extreme temperatures.
Troubleshooting
If you encounter issues with your WALLA SOUND T9 Earbuds, refer to the following common troubleshooting steps:
| Problem | Possible Cause / Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Place them back in the case, close the lid, then open it again to re-enter pairing mode. Turn off and on Bluetooth on your device. Forget the device in your Bluetooth settings and try pairing again. |
| No sound or sound from only one earbud | Check earbud battery levels. Ensure both earbuds are properly seated in the charging case to activate. Reconnect the earbuds to your device. Clean any debris from the earbud charging contacts. |
| Earbuds not charging | Ensure the charging cable is securely connected to both the case and the power source. Verify the power source is active. Clean the charging contacts on both the earbuds and the case. |
| Poor sound quality or low volume | Adjust volume on both your device and the earbuds. Ensure ear tips provide a good seal. Clean earbud mesh to remove wax or debris. Move closer to your connected device to improve signal strength. |
| Earbuds do not turn off in case | Ensure earbuds are correctly seated in the charging case and the lid is closed. The case battery might be depleted; charge the case. |
| Bluetooth connection drops frequently | Reduce distance between earbuds and device. Avoid obstacles that may interfere with the signal. Ensure no other strong wireless signals are causing interference. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | WallaSound Pro Wireless Earbuds T9 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Bluetooth Range | Up to 33 Feet (10 meters) |
| Earbud Battery Life | Up to 5 hours (single charge) |
| Total Play Time (with Charging Case) | Up to 50 hours |
| Earbud Charging Time | 1 Hour |
| Charging Case Battery Capacity | 500 mAh |
| Charging Case Charging Time | 1.5 Hours |
| Water Resistance Level | IPX5 (Water Resistant) |
| Noise Control | Active Noise Cancellation |
| Control Type | Touch Control |
| Frequency Range | 20Hz - 20,000Hz |
| Item Weight | 0.1 Kilograms (Earbuds) / 3.52 ounces (Total) |
| Carrying Case Dimensions | 2.6 x 1.8 x 1 inches (L x W x H) |
Warranty and Support
For warranty information and detailed support, please refer to the official WALLA SOUND website or contact their customer service directly. Keep your proof of purchase for any warranty claims.
You can visit the WALLA SOUND store for more information: WALLA SOUND Store




