1. Bubuka
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. Naon dina Box
- truefree O1 Earbuds
- Ngecas Case
- Kabel Ngecas USB-C
- Manual pamaké

Image: The truefree O1 open-ear headphones and their charging case, illustrating the complete product package.
3. Produk Langkungview
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.

Gambar: Hiji internal view of the truefree O1 earbud, highlighting the 16.2mm super large driver responsible for immersive stereo sound and deep bass.
3.2. Toél Kontrol
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.
- Puter Musik / Ngareureuhkeun: Double-tap R/L earbud.
- Lagu Sateuacanna: Press and hold L earbud for 1.5 seconds.
- Lagu salajengna: Press and hold R earbud for 1.5 seconds.
- Jilid +: Earbud R anu tiasa disentuh sakali.
- Volume -: Earbud L anu tiasa diketok sakali.
- Ngajawab / Tutup Telepon: Ketok dua kali earbud L/R.
- Nolak Telepon: Pencét terus tahan earbud L/R salami 1.5 detik.
- Asistén Sora: Headphone R nu bisa diketok tilu kali.
- Ganti Modeu Kaulinan: Headphone L ketok tilu kali.
4. Setélan
4.1. Ngecas Awal
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.
- Ngeusi batre Case Indikator:
- 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. Nyapasangkeun sareng Alat
- Pastikeun yén earbuds aya dina wadah ngecas sareng tutup wadahna dibuka.
- Aktipkeun Bluetooth dina alat anjeun (smartphone, tablet, laptop).
- Select "truefree O1" from the list of available Bluetooth devices.
- Sakali disambungkeun, anjeun bakal ngadéngé ajakan audio, sarta earbuds bakal siap dipaké.
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. Parentah Operasi
5.1. App Control
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:
- Personalized EQ: Adjust sound equalizer settings to your preference.
- Special Function Control: Manage features like Game Mode and Dual Device Connection.
- Ngaronjatkeun firmware: Keep your earbuds updated with the latest software.
- Indikator batré: View the charge level of each earbud.
- Tes dédéngéan: 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. Modeu Kaulinan
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. Sambungan Ganda
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. Pangropéa
- beberesih: Rutin ngabersihkeun earbuds sareng wadah ngecas ku lawon anu lemes, garing, teu aya lint. Hindarkeun ngagunakeun bahan abrasive atanapi bahan kimia anu kasar.
- Panyimpenan: Nalika henteu dianggo, simpen earbuds dina wadah ngecasna pikeun ngajagi aranjeunna sareng mastikeun tetep dicas.
- Tahan cai: 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.
- Perawatan batré: Pikeun manjangkeun umur batre, ulah miceun sapinuhna earbuds sareng sering ngecas wadahna. Ngeusi batre aranjeunna rutin, sanajan teu di pamakéan konstan.
7. Cara ngungkulan
- Earbud teu tiasa dipasangkeun atanapi nyambung:
- Pastikeun kadua earbuds dicas.
- Pareuman sareng aktipkeun Bluetooth alat anjeun.
- Forget "truefree O1" from your device's Bluetooth list and attempt to pair again.
- Lebetkeun deui earbud kana wadahna, tutup tutupna, antosan sababaraha detik, teras buka sareng cobian pasangkeun.
- Henteu aya sora atanapi volume rendah:
- Pariksa tingkat polumeu dina alat anjeun sareng earbuds.
- Ensure the earbuds are properly seated on your ears.
- Coba muter audio tina aplikasi atawa alat nu beda.
- Masalah ngecas:
- Pastikeun kabel USB-C parantos nyambung kalayan pageuh kana casing sareng kana sumber daya.
- Pastikeun yén kontak ngecas dina earbuds sareng di jero wadahna beresih sareng bébas tina lebu.
- Coba kabel ngecas atawa adaptor kakuatan béda.
- Masalah sambungan aplikasi:
- 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. Spésifikasi
| Fitur | Rincian |
|---|---|
| Ngaran modél | Truefree O1 |
| Téhnologi konektipitas | Nirkabel (Bluetooth 5.3) |
| Ukuran Supir Audio | 16.2 mm |
| Kahirupan Batré (Earbuds) | Nepi ka 10 jam |
| Total Playtime (kalawan Case) | Nepi ka 45 jam |
| Tingkat Résistansi Cai | IPX4 (Tahan Cai) |
| Tipe Kontrol | Toél Control |
| Mikropon | Included (Noise-Cancellation Mic) |
| Fitur husus | Fast Charging, Multipoint Pairing, App Control |
| Panempatan Ceuli | Buka Ceuli |
| Dimensi produk | 2.14 x 1.56 x 0.84 inci |
| Item Beurat | 6 ons |
9. Garansi jeung Rojongan
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 websitus.
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.
Dukungan Online: Visit the truefree Store on Amazon





