1. Introducció
Thank you for choosing the truefree O1 Open Ear Headphones. These wireless earbuds are designed to provide a comfortable listening experience while maintaining situational awareness. Featuring Bluetooth 5.3 connectivity, 16.2mm drivers for immersive sound, and a noise-cancellation microphone for clear calls, the truefree O1 is suitable for various activities including sports and daily use.
This manual provides detailed instructions on how to set up, operate, and maintain your truefree O1 headphones to ensure optimal performance and longevity.
2. Què hi ha a la caixa
- truefree O1 Earbuds
- Estoig de càrrega
- Cable de càrrega USB-C
- Manual d'usuari

Image: The truefree O1 open-ear headphones and their charging case, illustrating the complete product package.
3. Producte acabatview
3.1. Earbud Components
The truefree O1 earbuds feature an open-ear design with over-ear hooks for a secure and comfortable fit. Each earbud houses a 16.2mm dynamic driver for rich audio output and multiple microphones for clear communication.

Image: A person wearing the truefree O1 earbuds, demonstrating the open-ear design and secure fit.

Imatge: Una imatge interna view of the truefree O1 earbud, highlighting the 16.2mm super large driver responsible for immersive stereo sound and deep bass.
3.2. Toqueu Controls
The truefree O1 earbuds are equipped with touch-sensitive areas for easy control of music playback, calls, and other functions. Specific touch gestures can be customized via the truefree App.
- Reproducció / pausa de música: Double-tap R/L earbud.
- Pista anterior: Press and hold L earbud for 1.5 seconds.
- Pista següent: Press and hold R earbud for 1.5 seconds.
- Volum +: Auriculars posteriors amb un sol toc.
- Volum -: Auricular L amb un sol toc.
- Respondre/penjar la trucada: Toqueu dues vegades els auriculars E/D.
- Rebutja una trucada telefònica: Premeu i manteniu premut l'auricular E/D durant 1.5 segons.
- Assistent de veu: Auriculars posteriors amb tres tocs.
- Switch Game Mode: Auricular L amb tres tocs.
4. Configuració
4.1. Càrrega inicial
Before first use, ensure the earbuds and charging case are fully charged. Place the earbuds into the charging case. Connect the USB-C charging cable to the charging port on the case and a power source. The indicator lights on the case will show the charging status.
- Indicador de bateria de la caixa de càrrega:
- Three white lights stay on: 100%–60% charge.
- Two white lights stay on: 59%–30% charge.
- One white light stays on: Less than 30% charge.

Image: The truefree O1 earbuds and charging case, illustrating the extended playtime of up to 10 hours on a single charge and a total of 45 hours with the charging case.

Image: A close-up of the charging case showing the three LED indicator lights, which display the remaining battery level.
4.2. Vinculació amb un dispositiu
- Assegureu-vos que els auriculars estiguin a l'estoig de càrrega i que la tapa de l'estoig estigui oberta.
- Activa el Bluetooth al teu dispositiu (telèfon intel·ligent, tauleta, ordinador portàtil).
- Select "truefree O1" from the list of available Bluetooth devices.
- Un cop connectats, sentireu un missatge d'àudio i els auriculars estaran llestos per al seu ús.
The truefree O1 utilizes Bluetooth 5.3 for a stable and efficient connection.

Image: The truefree O1 earbuds positioned near a smartphone and laptop, illustrating the dual connection capability.

Image: A smartphone displaying its Bluetooth settings, with "truefree O1" shown as a connected device, indicating successful pairing.
5. Instruccions de funcionament
5.1. Control d'aplicacions
Enhance your experience by downloading the official truefree App from the Apple App Store or Google Play Store. The app allows for advanced customization and control:
- Equalitzador personalitzat: Adjust sound equalizer settings to your preference.
- Special Function Control: Manage features like Game Mode and Dual Device Connection.
- Actualització del firmware: Keep your earbuds updated with the latest software.
- Indicador de bateria: View the charge level of each earbud.
- Prova auditiva: Personalize EQ settings based on your hearing profile.
- Disable Touch Control: Temporarily deactivate touch controls to prevent accidental inputs.

Image: Multiple smartphone screens displaying the truefree App interface, showcasing options for personalized EQ, special function control, and firmware upgrades.

Image: A comprehensive diagram illustrating various control features available within the truefree App, including battery indicator, personalized EQ, hearing test, disable touch control, reset, mode switch, and firmware upgrade.
5.2. Mode de joc
The truefree O1 features a dedicated Game Mode to optimize your gaming experience by reducing audio latency. To activate or deactivate Game Mode, triple-tap the left earbud. You can also control this setting via the truefree App.

Image: A person holding a smartphone and playing a mobile game, with the truefree O1 earbuds visible, demonstrating the use of Game Mode for optimized audio synchronization.
5.3. Connexió dual
The truefree O1 supports simultaneous connection to two devices, allowing for seamless switching between audio sources. For example, you can be connected to both your smartphone and laptop, and the earbuds will automatically switch to the device playing audio.
Manage this feature through the truefree App under "Dual Device Connection" settings.
6. Manteniment
- Neteja: Netegeu regularment els auriculars i l'estoig de càrrega amb un drap suau, sec i sense borrissol. Eviteu utilitzar materials abrasius o productes químics agressius.
- Emmagatzematge: Quan no els utilitzeu, guardeu els auriculars a la seva funda de càrrega per protegir-los i assegurar-vos que es mantinguin carregats.
- Resistència a l'aigua: The truefree O1 earbuds are rated IPX4 water resistant, meaning they are protected against splashing water from any direction. They are suitable for workouts and light rain but should not be submerged in water.
- Cura de la bateria: Per allargar la durada de la bateria, evita descarregar completament els auriculars i l'estoig de càrrega amb freqüència. Carrega'ls regularment, fins i tot si no els fas servir constantment.
7. Solució De Problemes
- Auriculars que no s'emparellan ni es connecten:
- Assegureu-vos que els dos auriculars estiguin carregats.
- Desactiva i activa el Bluetooth del dispositiu.
- Forget "truefree O1" from your device's Bluetooth list and attempt to pair again.
- Place earbuds back in the case, close the lid, wait a few seconds, then open and try pairing.
- Sense so o volum baix:
- Comprova el nivell de volum tant del dispositiu com dels auriculars.
- Ensure the earbuds are properly seated on your ears.
- Prova de reproduir àudio des d'una altra aplicació o dispositiu.
- Problemes de càrrega:
- Verifiqueu que el cable USB-C estigui connectat correctament tant a la carcassa com a la font d'alimentació.
- Assegura't que els contactes de càrrega dels auriculars i de l'interior de la funda estiguin nets i lliures de residus.
- Prova un cable de càrrega o un adaptador de corrent diferent.
- Problemes de connexió de l'aplicació:
- Ensure the earbuds are connected to your phone via Bluetooth before opening the app.
- Restart the truefree App.
- If experiencing login issues, refer to the app's help section or contact truefree support.
8. Especificacions
| Característica | Detall |
|---|---|
| Nom del model | Truefree O1 |
| Tecnologia de connectivitat | Sense fil (Bluetooth 5.3) |
| Mida del controlador d'àudio | 16.2 mm |
| Durada de la bateria (auriculars) | Fins a 10 hores |
| Temps de reproducció total (amb estoig) | Fins a 45 hores |
| Nivell de resistència a l'aigua | IPX4 (resistent a l'aigua) |
| Tipus de control | Control tàctil |
| Micròfon | Included (Noise-Cancellation Mic) |
| Característiques especials | Fast Charging, Multipoint Pairing, App Control |
| Col·locació de l'orella | Orella oberta |
| Dimensions del producte | 2.14 x 1.56 x 0.84 polzades |
| Pes de l'article | 6 unces |
9. Garantia i Suport
truefree products are designed with quality and reliability in mind. For specific warranty information, please refer to the warranty card included with your product or visit the official truefree weblloc.
If you encounter any issues or have questions regarding your truefree O1 Open Ear Headphones, please contact truefree customer support through their official channels. You can often find support contact information on the truefree website or within the truefree App.
Assistència en línia: Visit the truefree Store on Amazon





