Introduction
Thank you for choosing the BACKWIN B800-T USB-C Wired Headphones. This manual provides detailed instructions for the proper use, setup, and maintenance of your new headphones. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
Contenu du colis
Vérifiez que tous les articles sont présents dans le colis :
- BACKWIN B800-T USB-C Wired Headphones
- Ear Cushions (various sizes: large, medium, small)

Image: The BACKWIN B800-T USB-C Wired Headphones, showing the earbuds, inline control, and USB-C connector. Also included are additional ear cushions.
Produit terminéview
Caractéristiques principales
- Four-Unit Driver Design: Each earbud features a dynamic bass unit and a high-definition decoding iron coil unit for powerful subwoofer sound and clear high-pitched audio.
- Puce DAC intégrée : Equipped with a 24-bit/96Khz DAC decoding chip for high-fidelity audio.
- Compatibilité universelle USB-C : Designed for devices with a Type-C interface, especially those without a 3.5mm audio jack.
- Inline Control with Microphone: Features volume control and a high-definition microphone for convenient call management and music playback.
- Suppression passive du bruit : The earbud design and included silicone ear caps provide passive noise isolation.
- Construction durable : Metal back shell of the headphones is CNC machined for precise workmanship.
Composants

Image: An exploded diagram illustrating the internal components of the earbud, including the dynamic coil, composite vibration film, sound processor with physical noise reduction, and the iron ring. This combination delivers rich bass, full midrange, and clear treble.

Image : Un gros plan view of the USB-C plug, highlighting the integrated DAC (Digital-to-Analog Converter) chip, which supports 24-bit/96KHz high-definition audio decoding.

Image : Une image détaillée view of the earbud's metal back shell, showcasing the CNC precision machining and overall craftsmanship.
Installation
1. Selecting Ear Cushions
The headphones come with large, medium, and small soundproof silicone ear caps. Choose the size that provides the most comfortable and secure fit for your ears. A proper fit is crucial for optimal sound quality and passive noise cancellation.
2. Connexion à votre appareil
- Locate the USB-C port on your compatible device (e.g., smartphone, tablet, laptop).
- Insert the USB-C plug of the headphones firmly into the device's USB-C port.
- Your device should automatically recognize the headphones. No additional drivers are typically required.
Note: These headphones are designed for devices with a Type-C interface, especially those without a 3.5mm audio jack. Compatibility may vary with some devices; ensure your device supports audio output via its USB-C port.

Image: A person wearing the BACKWIN B800-T USB-C Wired Headphones, demonstrating proper ear placement and fit.
Mode d'emploi
Inline Remote Control Functions
The inline remote control allows you to manage audio playback and calls without needing to access your device directly.

Image: A diagram detailing the functions of the inline remote control, including volume up, volume down, microphone, and multi-function button for calls and music playback.
- Bouton d'augmentation du volume (+) : Appuyez pour augmenter le volume audio.
- Bouton de réduction du volume (-) : Appuyez pour diminuer le volume audio.
- Bouton multifonction (bouton central) :
- For Calls:
- Un clic: Answer an incoming call or end an active call.
- Appui long: Rejeter un appel entrant.
- Pour la musique :
- Un clic: Play or Pause music.
- Cliquez deux fois : Passer à la piste suivante.
- Click Three Times: Revenir à la piste précédente.
- For Calls:
- Microphone: Le microphone intégré permet une communication mains libres pendant les appels.
Entretien
- Nettoyage: Essuyez délicatement les écouteurs et le câble avec un chiffon doux et sec. N’utilisez pas de produits chimiques agressifs ni de matériaux abrasifs.
- Coussinets d'oreille : Remove and clean the silicone ear cushions regularly with mild soap and water. Ensure they are completely dry before reattaching.
- Stockage: Store the headphones in a clean, dry place when not in use. Avoid extreme temperatures and direct sunlight.
- Entretien des câbles : Évitez les coudes brusques ou les tractions excessives sur le câble afin de prévenir tout dommage.
- Exposition à l'eau : Ces écouteurs ne sont pas étanches. Évitez tout contact avec l'eau ou une humidité excessive.
Dépannage
| Problème | Cause possible | Solution |
|---|---|---|
| Pas de son ou volume faible |
|
|
| Le microphone ne fonctionne pas |
|
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| Distorsion sonore ou mauvaise qualité |
|
|
Caractéristiques
| Nom du modèle | B800-T |
| Marque | RETOUR |
| Technologie de connectivité | Câblé |
| Prise pour casque | Type-C (USB-C) |
| Type de pilote audio | Hybrid Driver (Dynamic bass unit + high-definition decoding iron coil unit) |
| Réponse en fréquence | Up to 96 KHz (24bit/96Khz Decoding chip) |
| Sensibilité | 96 dB |
| Impédance | 32 Ohms |
| Contrôle du bruit | Annulation passive du bruit |
| Type de contrôle | Volume Control, Push Button (for calls/music) |
| Matériel | Metal (earbud back shell) |
| Poids de l'article | 3.17 onces |
| Composants inclus | Coussinets d'oreille |
Garantie et assistance
For warranty information or technical support, please refer to the documentation provided with your purchase or contact BACKWIN customer service through the retailer where the product was purchased. Keep your proof of purchase for warranty claims.
Pour obtenir de l'aide supplémentaire, vous pouvez consulter le BACKWIN Store on Amazon.