STF DUX
STF T2GO Dux Wireless Earbuds User Manual
Model: DUX | Brand: STF
Introduction
Thank you for choosing the STF T2GO Dux Wireless Earbuds. These earbuds are designed to provide a seamless audio experience with up to 12 hours of combined battery life from the earbuds and their rechargeable case. Featuring an integrated microphone, they are perfect for music and calls on the go. This manual will guide you through the setup, operation, and maintenance of your new earbuds.

Image: STF T2GO Dux Wireless Earbuds and their charging case. The earbuds are grey with white accents, and the charging case is also grey with a transparent lid.
Setup Guide
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case. Connect the charging case to a power source using a compatible USB-C cable. The indicator lights on the case will show the charging status.
- A full charge provides up to 12 hours of combined playback time (earbuds + case).
- Ensure the charging contacts on the earbuds and inside the case are clean and dry.

Image: The STF T2GO Dux charging case shown open, revealing the charging cradles for the left and right earbuds with their gold-plated charging pins.
2. Pairing with Your Device
- Ensure the earbuds are charged and inside the charging case.
- Open the charging case. The earbuds will automatically enter pairing mode (or activate by removing them from the case).
- On your device (smartphone, tablet, PC), go to the Bluetooth settings.
- Search for new devices and select "STF T2GO Dux" (or similar name) from the list of available devices.
- Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.
- If pairing fails, place the earbuds back in the case, close the lid, wait a few seconds, and then repeat the steps.
Operating Instructions
Basic Controls
The STF T2GO Dux earbuds feature touch-sensitive controls for easy management of your audio and calls. Specific touch functions may vary slightly, but common actions include:
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Answer/End Call: Single tap on either earbud during an incoming call.
- Reject Call: Press and hold either earbud for 2 seconds during an incoming call.
- Activate Voice Assistant: Triple tap on either earbud (e.g., Siri, Google Assistant).

Image: A view of the STF T2GO Dux earbuds and their charging case from a side angle, highlighting their compact design.
Making and Receiving Calls
The integrated microphone allows for clear hands-free communication. Ensure the earbuds are properly connected to your mobile phone for call functionality.
- When a call comes in, you will hear a ringtone through the earbuds.
- Use the touch controls as described above to manage calls.
Maintenance and Care
Proper maintenance ensures the longevity and optimal performance of your STF T2GO Dux earbuds.
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents. Gently clean the charging contacts with a dry cotton swab if necessary.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged.
- Temperature: Avoid exposing the earbuds to extreme temperatures (hot or cold) or high humidity.
- Water Resistance: These earbuds are not waterproof. Avoid contact with water or excessive moisture.
Troubleshooting
If you encounter any issues with your STF T2GO Dux earbuds, please refer to the following common solutions:
| Problem | Possible Cause / Solution |
|---|---|
| Earbuds not pairing with device. |
|
| No sound from one or both earbuds. |
|
| Charging case not charging. |
|
| Microphone not working. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | DUX |
| Brand | STF |
| Connectivity Technology | Wireless |
| Included Components | Charging Station (Case) |
| Battery Life (Average) | Up to 12 Hours (earbuds + case) |
| Microphone | Included |
| Compatible Devices | Mobile Phones |
| Ear Placement | In-Ear |
| Form Factor | In-Ear |
| Product Dimensions | 19.1 x 14.9 x 4.5 cm; 80 g (Package) |

Image: The retail packaging for the STF T2GO Dux earbuds, displaying product name, "True Wireless" branding, and key specifications in Spanish.
Warranty and Support
Warranty Information
STF products typically come with a limited warranty against defects in materials and workmanship. Please refer to the warranty card included with your product or visit the official STF website for detailed warranty terms and conditions.
Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact STF customer support. You can find contact information and additional resources on the official STF website:
Please have your product model (DUX) and purchase information ready when contacting support.