truefree truefree O2
truefree O2 Open Ear Headphones User Manual
Model: truefree O2
1. Ifihan
Thank you for choosing the truefree O2 Open Ear Headphones. This manual provides detailed instructions for setting up, operating, and maintaining your new wireless earbuds. Please read this guide thoroughly to ensure optimal performance and a satisfying user experience.
2. Package Awọn akoonu
Daju pe gbogbo awọn nkan ti a ṣe akojọ rẹ si isalẹ wa ninu package rẹ:
- truefree O2 Open Ear Earbuds (x2)
- Ngba agbara Case
- USB-C Ngba agbara Cable
- Itọsọna olumulo

The complete package contents: two truefree O2 open ear earbuds, the charging case, a USB-C charging cable, and the user manual.
3. Ọja Ipariview
The truefree O2 headphones feature an open-ear design for comfort and situational awareness, equipped with 15mm dynamic drivers and directional acoustics. The earbuds are ultra-lightweight (8g each) and designed with soft silicone ear hooks for a secure fit during various activities.

The truefree O2 open ear headphones and their compact charging case.

Ohun exploded view diagram of the truefree O2 earbud, highlighting its 15mm large dynamic driver and directional sound outlet for immersive audio with minimal leakage.
4. Wọ awọn Earbuds
Fun didara ohun to dara julọ ati itunu, rii daju pe awọn afikọti ti wọ ni deede.
- Ṣe idanimọ apa osi (L) ati ọtun (R) agbekọri.
- Fi ọwọ́ rọra so etí ìgbọ́rọ̀ náà mọ́ etí rẹ, kí o sì gbé apá agbọ́rọ̀rọ̀ náà sí ọ̀nà etí rẹ.
- Adjust the ear hook to fit snugly and securely around your ear. The flexible NiTi alloy memory steel wire ensures a stable fit for various ear shapes.

A user wearing the truefree O2 headphones, demonstrating their ultra-light design, comfortable fit, and secure ear hooks suitable for active use.
5. Gbigba agbara
The truefree O2 headphones and charging case are designed for efficient power management.
5.1 Ngba agbara si Awọn Agbekọri
- Gbe awọn agbekọri sinu apoti gbigba agbara. Rii daju pe awọn olubasọrọ gbigba agbara ṣe deede.
- Àwọn iná àmì tí ó wà lórí àwọn ètí ìgbọ́rọ̀ yóò fi ipò agbára wọn hàn.
- Gbigba agbara ni kikun pese isunmọ awọn wakati 6.5 ti akoko iṣere.
5.2 Gbigba agbara si ọran naa
- So okun gbigba agbara USB-C pọ si ibudo gbigba agbara lori ọran ati si orisun agbara.
- The charging case can be fully charged in approximately 1 hour and 15 minutes.
- A fully charged case provides up to 22 hours of total playtime for the earbuds.

An illustration detailing the IPX5 waterproof rating, 6.5 hours of playtime on a single charge, 22 hours total with the charging case, and 1 hour 15 minutes fast charging via USB-C.
6. Eto
6.1 Ni ibẹrẹ Bluetooth Sisopọ
- Ṣii apoti gbigba agbara. Awọn agbekọri yoo tẹ ipo isọpọ sii laifọwọyi.
- Mu Bluetooth ṣiṣẹ lori ẹrọ rẹ (foonuiyara, tabulẹti, kọǹpútà alágbèéká).
- Wa fun "truefree O2" in the list of available Bluetooth devices.
- Select "truefree O2" to connect. A voice prompt will confirm successful pairing.
6.2 App Iṣakoso
Enhance your experience by downloading the "Truefree" application from your device's app store.
- Isọdi: Adjust EQ settings, including 9 personalized presets and a customizable option.
- Awọn imudojuiwọn famuwia: Jeki awọn agbekọri rẹ ni imudojuiwọn pẹlu awọn ẹya tuntun ati awọn ilọsiwaju.
- Awọn iṣẹ pataki: Control features like game mode and other settings directly from the app.
- Asopọmọra Ẹrọ Meji: Enable multipoint connection for seamless switching between two devices.

Screenshots of the Truefree mobile application, illustrating options for customizing EQ settings, game mode, and other control functions for the O2 headphones.
7. Ṣiṣẹ
7.1 Fọwọkan Iṣakoso
The truefree O2 earbuds feature intuitive touch controls on both the left (L) and right (R) earbuds.
| Iṣe | Išẹ |
|---|---|
| L & R Double tap | Mu ṣiṣẹ/Daduro, Dahun/Pari Ipe |
| L & R Long press for 1.5s | Previous Track (L), Next Track (R), Power On/Off (when not in case) |
| L Single tap | Iwọn didun isalẹ |
| R Single tap | Iwọn didun soke |
| L Long press for 3s | Mu Ipo Ere ṣiṣẹ |
| R Long press for 3s | Mu Oluranlọwọ Ohun ṣiṣẹ |

A visual guide to the touch control functions on the truefree O2 earbuds.
7.2 Multipoint Asopọ
The truefree O2 supports connecting to two devices simultaneously, allowing for seamless switching between audio sources.
- Ensure the earbuds are connected to your first device.
- Put the earbuds back into the charging case, then take them out again to re-enter pairing mode.
- Connect the earbuds to your second device via Bluetooth.
- Once both devices are paired, the earbuds will intelligently switch audio based on activity (e.g., taking a call on your phone while listening to music on your laptop).

An image showing the truefree O2 headphones connected to both a laptop and a smartphone, illustrating the multipoint connection feature for seamless device switching.
7.3 Ipo Ere
Activate Game Mode for reduced audio latency, providing a more synchronized audio-visual experience during gaming.
- To activate: Long press the left earbud for 3 seconds.
- To deactivate: Repeat the action.
- Game Mode can also be toggled via the Truefree app.
8. Itọju
8.1 IPX5 mabomire Rating
The truefree O2 earbuds are IPX5 waterproof, meaning they are resistant to sweat and light splashes of water. This makes them suitable for workouts and outdoor activities.
- Ma ṣe tẹ awọn agbekọri naa sinu omi.
- Rii daju pe awọn agbekọri ti gbẹ ṣaaju gbigbe wọn pada si apoti gbigba agbara lati yago fun ibajẹ.

The truefree O2 earbud with water droplets, illustrating its IPX5 waterproof rating.
8.2 Ninu
- Pa awọn afikọti ati apoti gbigba agbara kuro pẹlu asọ ti o gbẹ, asọ ti ko ni lint.
- Yago fun lilo awọn ohun elo abrasive tabi awọn kemikali lile.
- Regularly clean the charging contacts on both the earbuds and the case to ensure proper charging.
9. Laasigbotitusita
If you encounter issues with your truefree O2 headphones, refer to the following common solutions:
| Isoro | Ojutu |
|---|---|
| Earbuds ko so pọ | Ensure earbuds are charged. Turn off and on Bluetooth on your device. Forget "truefree O2" from your device's Bluetooth list and re-pair. |
| Ko si ohun lati agbekọri kan | Place both earbuds back in the case, close it, then open it again. Check device's audio balance settings. |
| Ọrọ gbigba agbara | Clean charging contacts on earbuds and case. Try a different USB-C cable and power adapter. Ensure earbuds are correctly seated in the case. |
| Iwọn kekere | Adjust volume on both the earbuds and your connected device. Check EQ settings in the Truefree app. |
| Asopọ silẹ nigbagbogbo | Ensure no obstructions between earbuds and device. Reduce distance between earbuds and device. Avoid strong electromagnetic interference. |
If the issue persists, please contact truefree customer support for further assistance.
10. Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Orukọ awoṣe | truefree O2 |
| Asopọmọra | Bluetooth 5.3 |
| Gbigbe Eti | Ṣii Eti |
| Apẹrẹ Akọti | Ìkọ́ |
| Omi Resistance | IPX5 |
| Igbesi aye batiri Earbud | Titi di wakati 6.5 |
| Lapapọ akoko ere (pẹlu Ọran) | Titi di wakati 22 |
| Akoko Gbigba agbara ọran | Approx. 1 hour 15 minutes (USB-C) |
| Audio Driver Iwon | 15 mm |
| Iwuwo Earbud | 8 giramu (kọọkan) |
| Iṣakoso Iru | Iṣakoso ọwọ, App Iṣakoso |
| Pataki Awọn ẹya ara ẹrọ | Multipoint Pairing, Game Mode, Dual-mic Noise Cancelling |
11. Atilẹyin ọja ati Support
truefree is committed to providing excellent customer experience. If you have any problems or suggestions regarding your truefree O2 Open Ear Headphones, please do not hesitate to contact our customer support team. We are ready to offer you a satisfactory solution.
For support, please refer to the contact information provided on the truefree official webojula tabi rẹ ra Syeed.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.