STF One Pro TWS Earbuds User Manual

Introduction

This manual provides detailed instructions for the proper use and maintenance of your STF One Pro TWS Earbuds. Please read this manual thoroughly before using the product to ensure optimal performance and longevity. Keep this manual for future reference.

Safety Information

• Do not expose the earbuds or charging case to extreme temperatures, direct sunlight, or fire.
• Avoid dropping or applying excessive force to the product.
• Keep away from water and liquids, except for splash resistance as specified (IPX4). Do not submerge.
• Do not attempt to disassemble or modify the product. This will void the warranty.
• Use only the provided charging cable or a certified equivalent.
• Prolonged listening at high volume levels may cause hearing damage.

Package Contents

• STF One Pro TWS Earbuds (Left and Right)
• Charging Case
• USB Charging Cable
• User Manual
• Eartips (various sizes)

Product Overview

Familiarize yourself with the components of your STF One Pro TWS Earbuds.

Image: The STF One Pro TWS Earbuds are shown in their open charging case. The earbuds are black, with a sleek, in-ear design and a stem. The charging case is also black, with the "stf" logo on the front and three LED indicator lights below it.

Earbud Components:

• Touch Control Area: Located on the outer surface of each earbud for various functions.
• Microphones: Six integrated microphones for clear calls and Active Noise Cancellation.
• Charging Contacts: Located at the bottom of the earbud stems.
• LED Indicator: Small light on each earbud indicating status (pairing, charging, etc.).

Charging Case Components:

• Earbud Slots: Magnetic slots for charging and storing earbuds.
• Charging Port: USB-C port for charging the case.
• LED Indicators: Lights on the front of the case to show battery status.

Setup

1. Charging the Earbuds and Case

Before first use, fully charge the earbuds and the charging case.

1. Place the earbuds into the charging case. Ensure they are correctly seated in their magnetic slots.
2. Connect the USB charging cable to the charging port on the case and to a power source (e.g., USB wall adapter, computer USB port).
3. The LED indicators on the case will show the charging status. Once fully charged, the indicators will typically turn solid or off.

Image: The STF One Pro TWS Earbuds are shown inside their charging case, which displays four illuminated LED dots, indicating a full or near-full charge. The image also highlights the "42 Hours Battery" feature, referring to the combined battery life of the earbuds and case.

A full charge provides up to 7 hours of continuous playback for the earbuds, with the charging case offering an additional 5 full charges, totaling up to 42 hours of battery life.

2. Bluetooth Pairing

1. Open the charging case. The earbuds will automatically enter pairing mode, and their LED indicators will flash.
2. On your device (smartphone, tablet, computer), enable Bluetooth.
3. Search for "STF One Pro TWS" in the list of available Bluetooth devices.
4. Select "STF One Pro TWS" to connect. Once connected, the earbud LED indicators will stop flashing or turn off, and you will hear a confirmation tone.
5. For subsequent uses, the earbuds will automatically connect to the last paired device when removed from the case.

Operating Instructions

Touch Controls

The STF One Pro TWS Earbuds feature intuitive touch controls on each earbud. Specific functions may vary slightly depending on your device and application.

Image: A man is shown wearing an STF One Pro TWS earbud in his right ear, with his index finger gently touching the earbud's stem, illustrating the touch control functionality.

Active Noise Cancellation (ANC)

The STF One Pro TWS Earbuds feature Ultra ANC technology with 6 high-precision microphones to eliminate external noise, providing an immersive audio experience.

Image: The STF One Pro TWS Earbuds are depicted with a graphic overlay emphasizing "ULTRA ANC" and "Cancelación Activa de Ruido Avanzada" (Advanced Active Noise Cancellation), indicating the noise-canceling capability of the earbuds.

To toggle between ANC and Transparency Mode, perform a long press on either earbud's touch control area. Transparency Mode allows you to hear your surroundings while still enjoying your audio.

Spatial Audio with Gyroscope

Experience a three-dimensional sound environment with the integrated gyroscope. The sound adapts to your movements, creating an immersive experience for music, movies, and gaming.

Image: The STF One Pro TWS Earbuds are shown with a graphic overlay highlighting "AUDIO ESPACIAL" (Spatial Audio) and "ASISTIDO CON GIROSCOPIO Y CON SONIDO 360" (Assisted with Gyroscope and 360 Sound), illustrating the immersive audio feature.

This feature is automatically active when supported content is played. Ensure your device's settings allow for spatial audio processing if applicable.

Gaming with Low Latency (50ms)

The earbuds offer an ultra-fast response time of 50ms, ensuring perfect synchronization for video games. This minimizes audio delay, providing a competitive edge in gaming.

To activate gaming mode, refer to the specific instructions in the app (if available) or perform a specific touch gesture (e.g., triple tap on the right earbud, if not assigned to voice assistant).

Customizable Equalization

Adjust your audio experience with three preset sound modes: HiFi, Bass, and Rock. These modes allow you to tailor the sound profile to your preference.

Switching between equalization modes is typically done via the companion app or a specific touch control sequence (e.g., long press on both earbuds simultaneously, or a specific number of taps).

Clear Calls

With 6 integrated microphones, the earbuds capture your voice with high fidelity, ensuring clear calls even in noisy environments.

Image: The STF One Pro TWS Earbuds are shown with a graphic overlay emphasizing "máxima fidelidad en llamadas" (maximum fidelity in calls) and "ULTRA ANC", indicating their capability for clear communication and noise cancellation during calls.

Maintenance

Cleaning

• Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
• Do not use abrasive cleaners, alcohol, or chemical solvents.
• Gently clean the charging contacts on both the earbuds and the case to ensure proper charging.
• Remove eartips and clean them with mild soap and water if necessary, ensuring they are completely dry before reattaching.

Water Resistance (IPX4)

The STF One Pro TWS Earbuds are rated IPX4, meaning they are resistant to splashes of water from any direction. This makes them suitable for workouts and light rain.

Image: The STF One Pro TWS Earbuds in their charging case are shown with a graphic overlay indicating "IPX4" and "Resistente a salpicaduras" (Splash resistant), with water droplets around the case, illustrating its water resistance.

Important: IPX4 rating does not mean waterproof. Do not submerge the earbuds in water or expose them to pressurized water streams. The charging case is not water-resistant.

Troubleshooting

Specifications

Warranty and Support

STF products are designed for reliability and performance. For warranty information, please refer to the warranty card included in your product packaging or visit the official STF website.

If you encounter any issues or require technical assistance, please contact STF customer support through their official channels. Keep your proof of purchase for warranty claims.

For more information, visit the STF Brand Store on Amazon.