1. Introduction
The ORIA Bluetooth 5.3 Receiver Transmitter (Model CP212-ZAEU) is a versatile 2-in-1 wireless audio adapter designed to add Bluetooth capabilities to non-Bluetooth devices or enable Bluetooth audio reception. It features Bluetooth 5.3 technology for stable and efficient audio transmission, CVC noise reduction for clear sound, and supports TF card playback. This portable device is compatible with a wide range of audio equipment, including car stereos, home speakers, headphones, TVs, and PCs.
2. Contenu du colis
- 1 x ORIA Bluetooth 5.3 Receiver Transmitter (Model CP212-ZAEU)
- 1 x AUX Output Cable (0.5m)
- 1 x Type-C Data Cable (0.3m)
- 1 x Manuel d'utilisation
3. Produit terminéview
The ORIA Bluetooth adapter is a compact device with a simple interface. It features a mode switch (TX/RX), a power button, volume controls, and a TF card slot. The device utilizes Bluetooth 5.3 for enhanced performance.

Figure 3.1 : Bluetooth 5.3 Technology. This image illustrates the core Bluetooth 5.3 chip, highlighting improvements in pairing speed (50% increase), connection stability (60% increase), and noise cancellation (60% increase) for a superior audio experience.

Figure 3.2 : Device Dimensions and Battery Life. This image displays the compact size of the adapter (6.4cm x 3.3cm x 1cm) and details its battery performance: up to 6 hours of music playback on a full charge, which takes approximately 1 hour using the Type-C charging port.
4. Installation
4.1 Chargement de l'appareil
Before initial use, fully charge the device. Connect the provided Type-C data cable to the adapter's charging port and the other end to a DC 5V power source (e.g., USB wall adapter, computer USB port). The device will fully charge in approximately 1.5 hours. You can use the device while it is charging.
4.2 Mise sous/hors tension
- To power on: Long press the power button for 3 seconds.
- To power off: Long press the power button for 3 seconds.
- Note: The device will automatically shut down if it is not connected to any Bluetooth device for 5 minutes.
4.3 Sélection du mode de fonctionnement (TX/RX)
The device operates in two modes: Transmitter (TX) and Receiver (RX). Use the TX/RX switch on the side of the device to select the desired mode before powering on or connecting.
- Mode TX (émetteur) : Used to send audio wirelessly from a non-Bluetooth device (e.g., TV, MP3 player, PC) to a Bluetooth receiving device (e.g., Bluetooth headphones, Bluetooth speaker).
- Mode RX (Récepteur) : Used to receive audio wirelessly from a Bluetooth transmitting device (e.g., smartphone, tablet, laptop) and output it to a non-Bluetooth audio system (e.g., car stereo, home ampamplificateur, casque filaire).

Figure 4.1 : Large compatibilitéview. This diagram illustrates the device's versatility, showing how it functions in both Transmitter (TX) mode to send audio from devices like TVs or MP3 players to Bluetooth headphones, and Receiver (RX) mode to receive audio from smartphones or laptops for output to car audio systems or amplificateurs.
5. Mode d'emploi
5.1 Mode récepteur (RX)
- Basculez l'appareil vers RX mode.
- Power on the device by long pressing the power button for 3 seconds.
- Connect the ORIA adapter to your non-Bluetooth audio system (e.g., car AUX input, home stereo) using the provided 3.5mm AUX cable.
- On your Bluetooth transmitting device (e.g., smartphone), enable Bluetooth and search for available devices. Select "B16" (or similar identifier) from the list to pair.
- Once paired, audio from your transmitting device will play through the connected audio system.
5.2 Mode émetteur (TX)
- Basculez l'appareil vers TX mode.
- Power on the device by long pressing the power button for 3 seconds.
- Connect the ORIA adapter to your non-Bluetooth audio source (e.g., TV, MP3 player, PC) using the provided 3.5mm AUX cable.
- Place your Bluetooth receiving device (e.g., Bluetooth headphones, Bluetooth speaker) into pairing mode and keep it close to the ORIA adapter for automatic connection.
- Une fois la connexion établie, le son de votre appareil source sera transmis sans fil à votre appareil récepteur Bluetooth.

Figure 5.1 : Two-in-One Design in Use. This image demonstrates the adapter's dual functionality, showing it connected to a TV to transmit audio wirelessly to Bluetooth headphones, allowing a child to listen without disturbing others.

Figure 5.2 : Step-by-Step Operation. This visual guide simplifies the setup process into three steps: selecting the mode and powering on, initiating pairing in either RX or TX mode, and confirming successful connection.
5.3 Lecture de carte TF
The ORIA adapter supports direct audio playback from a TF (MicroSD) card. Simply insert a TF card loaded with MP3, WAV, WMA, FLAC, or APE audio files into the designated slot. The device will automatically detect and play the music. This feature is available in both TX and RX modes, allowing you to transmit or receive audio from the TF card.

Figure 5.3 : TF Card Support. This image demonstrates the TF card playback feature, showing a user enjoying music directly from a MicroSD card inserted into the adapter, highlighting its versatility as a standalone music player.
5.4 Volume Control and Track Change
The device features buttons for controlling playback:
- Lecture/Pause : Appuyez une fois sur le bouton d'alimentation pour lire ou mettre en pause la musique.
- Augmenter le volume/Piste suivante : Short press the '+' button for volume up. Long press the '+' button for next track.
- Baisser le volume/Piste précédente : Short press the '-' button for volume down. Long press the '-' button for previous track.
5.5 Reconnexion automatique
The ORIA adapter is designed for convenience. It will automatically reconnect to the last paired device when powered on, provided the device is within range and its Bluetooth is enabled.
6. Spécifications
| Fonctionnalité | Spécification |
|---|---|
| Version Bluetooth | 5.3 |
| Prise en charge du protocole Bluetooth | A2DP, AVRCP |
| Distance de transmission | Jusqu'à 10 mètres (en zone dégagée) |
| Horaires de travail | 5-6 heures |
| Temps de charge | Environ 1.5 heures |
| Vol d'entrée de chargetage | 5 V CC |
| Connexion d'entrée/sortie | 3.5mm Stereo Interface |
| Appareils compatibles | Mobile phones, tablets (Android/iOS), audio equipment with audio input interface, car stereos, home speakers, headphones, TVs, PCs |
| Supported Media Types (TF Card) | MP3, WAV, WMA, FLAC, APE |
| Dimensions du produit (L*W*H) | 64 mm x 33 mm x 10 mm |
| Poids du produit | 23g |
| Type de batterie | Lithium Polymère |
| Contenu énergétique de la batterie | 1 wattheure |
| Technologie de réduction du bruit | CVC |
| Nom du modèle | CP212-ZAEU |
7. Dépannage
- L'appareil ne s'allume pas : Assurez-vous que l'appareil est complètement chargé. Branchez-le à une source d'alimentation à l'aide du câble USB-C et réessayez.
- Impossible de connecter un appareil Bluetooth :
- Ensure the ORIA adapter is in the correct mode (RX for receiving, TX for transmitting).
- Make sure the Bluetooth device you are trying to connect to is in pairing mode.
- Ensure the ORIA adapter and the other Bluetooth device are within 10 meters of each other.
- Éteignez puis rallumez les deux appareils, puis réessayez de les appairer.
- Aucune entrée/sortie audio :
- Check if the 3.5mm AUX cable is securely connected to both the ORIA adapter and your audio system/source.
- Verify that the volume on both the ORIA adapter and the connected audio device is turned up.
- Ensure the correct input source is selected on your audio system (e.g., AUX input).
- If using TF card, ensure the card is inserted correctly and contains supported audio files.
- Qualité audio médiocre ou connexion intermittente :
- Reduce the distance between the ORIA adapter and the connected Bluetooth device.
- Éliminez tout obstacle (murs, gros objets métalliques) susceptible de perturber le signal Bluetooth.
- Assurez-vous qu'aucun autre signal sans fil puissant à proximité ne provoque d'interférences.
8. Entretien
- Gardez l'appareil au sec. Évitez tout contact avec l'humidité ou les liquides.
- N’exposez pas l’appareil à des températures extrêmes (chaudes ou froides).
- Nettoyez l'appareil avec un chiffon doux et sec. N'utilisez pas de produits chimiques agressifs ni de nettoyants abrasifs.
- Rangez l'appareil dans un endroit frais et sec lorsqu'il n'est pas utilisé.
- Évitez de laisser tomber ou de soumettre l'appareil à des impacts violents.
9. Consignes de sécurité
Veuillez lire et suivre ces consignes de sécurité pour garantir le bon fonctionnement de votre appareil :
- Manipulation de la batterie : The device contains a built-in rechargeable lithium polymer battery. Do not attempt to replace the battery yourself. Do not expose the battery to fire, direct sunlight, or high temperatures. Dispose of batteries according to local regulations.
- Exposition à la température : Avoid operating or storing the device in environments with extreme temperatures, as this can affect battery life and device performance.
- Utilisation du Bluetooth : Be aware of your surroundings when using Bluetooth headphones, especially in situations requiring attention (e.g., driving, cycling).
- Enfants: Keep the device and its accessories out of reach of small children to prevent choking hazards.
10. Garantie et assistance
ORIA provides comprehensive support for its products:
- Garantie: Garantie d'un an contre les défauts de fabrication.
- Remplaçants: 90 Days Free Replacements.
- Retours : 30 Days Free Returns.
- Service client: 24/7 Customer Assistance.
- Support technique : Support technique à vie.

Figure 10.1 : ORIA Customer Support and Warranty Information. This image visually summarizes the support services offered by ORIA, including warranty duration, replacement and return policies, and availability of customer and technical assistance.
For further assistance, please contact ORIA customer support through the official channels provided with your purchase or on the ORIA brand website.