1. Introduktion
Thank you for choosing the Langsdom Theta Pro Wireless Earphones. These earbuds are designed to provide a superior audio experience with features like active noise cancellation, ultra-low latency for gaming, and extended battery life. This manual will guide you through the setup, operation, and maintenance of your new earphones.
2. Pakkens indhold
Tjek venligst pakken for følgende varer:
- Langsdom Theta Pro Wireless Earbuds (Left and Right)
- Opladningsetui
- USB-C ladekabel
- Brugermanual
- Flere størrelser af ørepropper

3. Specifikationer
| Feature | Specifikation |
|---|---|
| Mærke | Langsdom |
| Model | Theta Pro |
| Trådløs type | Bluetooth |
| Bluetooth version | V5.3 |
| Transmission Range | 10 meter |
| Earbud batterikapacitet | 40 mAh * 2 |
| Opladningsetui Batterikapacitet | 400mAh |
| Total Play Duration | Op til 30 timer (med opladningsetui) |
| Single Earbud Play Duration | Op til 7.5 timer |
| Opladningsvarighed | Cirka 1 time |
| Opladning Voltage | DC5V |
| Frekvensresponsområde | 20Hz - 20KHz |
| Hornstørrelse (Driver) | Φ10 mm |
| Vokalisme princippet | Dynamisk |
| Aktiv støjreduktion | Ja |
| Kontrolknap | Ja |
| Lydstyrkekontrol | Ja |
| Materiale | Plast |
| Certificering | CE |
| Oprindelse | Fastlandet Kina |

4. Opsætning
4.1 Opladning af øretelefoner og etuiet
Before first use, fully charge your Langsdom Theta Pro earphones and charging case.
- Placer begge ørepropper i opladningsetuiet.
- Connect the USB-C charging cable to the charging port on the case and the other end to a DC5V power source (e.g., a USB wall adapter or computer USB port).
- The indicator light on the charging case will show the charging status. A full charge typically takes about 1 hour.
- Når det er fuldt opladet, skal du frakoble ladekablet.
The charging case provides multiple charges for the earbuds, offering up to 30 hours of total play duration. Each earbud can provide up to 7.5 hours of playback on a single charge.

4.2 Parring med en enhed
The Langsdom Theta Pro earphones use Bluetooth 5.3 for a stable and continuous connection.
- Åbn opladningsetuiet. Ørepropperne går automatisk i parringstilstand (indikeret af blinkende LED-lys på ørepropperne).
- Aktiver Bluetooth på din enhed (smartphone, tablet, computer).
- Søg efter "Langsdom Theta Pro" in the list of available Bluetooth devices.
- Select "Langsdom Theta Pro" to connect. Once connected, the earbud indicator lights will stop flashing.
- Hvis parringen mislykkes, skal du sætte ørepropperne tilbage i etuiet, lukke låget, vente et par sekunder og derefter gentage trinnene.

5. Betjeningsvejledning
5.1 Sådan tager du ørepropperne på
The earbuds feature a 3.6g lightweight design and a 30-degree tilt for comfortable and secure wear. Choose the ear tips that best fit your ears for optimal sound quality and comfort.

5.2 Grundlæggende kontroller
The Theta Pro earbuds are equipped with touch-sensitive control buttons. Specific functions may vary slightly depending on your device and application, but common controls include:
- Afspil/pause: Et enkelt tryk på begge øretelefoner.
- Næste nummer: Dobbelttryk på den højre øreprop.
- Forrige nummer: Dobbelttryk på den venstre øreprop.
- Besvar/afslut opkald: Et enkelt tryk på begge øretelefoner.
- Afvis opkald: Tryk og hold nede på en af øretelefonerne.
- Aktiver stemmeassistent: Tryk tre gange på en af øretelefonerne (hvis det understøttes af din enhed).
- Lydstyrkekontrol: Press and hold the right earbud to increase volume, press and hold the left earbud to decrease volume (or as per specific model instructions).
5.3 Særlige funktioner og tilstande
- Aktiv støjreduktion (ANC): The earbuds feature active noise cancellation to reduce ambient sounds. Refer to the user manual for specific gestures to activate/deactivate ANC.
- Intelligent Call Noise Reduction (ENC): Built-in ENC technology effectively shields environmental noise for clear voice calls, making conversations as clear as face-to-face.
- Spiltilstand med lav forsinkelse: The Theta Pro offers an ultra-low latency of 45ms, ensuring sound and picture synchronization for competitive gaming. This mode can typically be activated via a specific touch gesture (e.g., triple tap or long press).
- Game/Music Dual Mode Sound: Switch between optimized sound profiles for gaming and music listening.


6. Vedligeholdelse
To ensure the longevity and optimal performance of your Langsdom Theta Pro earphones, follow these maintenance guidelines:
- Rensning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials. Gently clean the ear tips and speaker mesh to prevent wax buildup.
- Opbevaring: When not in use, store the earbuds in their charging case to protect them from dust, dirt, and damage.
- Undgå vand: Høretelefonerne er ikke vandtætte. Undgå udsættelse for vand, fugt eller for høj luftfugtighed.
- Temperatur: Udsæt ikke øretelefonerne for ekstreme temperaturer (varme eller kolde), da dette kan beskadige batteriet og de interne komponenter.
- Opladning: Brug kun det medfølgende USB-C-kabel eller et tilsvarende certificeret kabel til opladning.
7. Fejlfinding
| Problem | Mulig løsning |
|---|---|
| Øretelefoner parrer ikke |
|
| Ingen lyd fra øretelefoner |
|
| Ladeetui oplader ikke |
|
| Dårlig lydkvalitet |
|
8. Brugertips
Selvom der ikke er nogen specifik brugeranmodningviews or Q&A were provided, here are some general tips for optimizing your experience with the Langsdom Theta Pro earphones:
- Optimal pasform: Experiment with the included ear tip sizes to find the best fit. A good seal is crucial for effective noise cancellation and rich bass response.
- Spilpræstation: For the best gaming experience, ensure your device is close to the earbuds to maintain the ultra-low latency connection.
- Batteristyring: Regularly place the earbuds back into the charging case when not in use to maximize their battery life and ensure they are always ready.
- Firmwareopdateringer: Tjek producentens webbesøg webstedet regelmæssigt for at se, om der er tilgængelige firmwareopdateringer, som kan forbedre ydeevnen og tilføje nye funktioner.
9. Garanti og support
Langsdom products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official Langsdom webwebsted. Gem din købsbevis til garantikrav.





