1. Introducció
The C36 Bluetooth 5.3 Audio Receiver is a versatile device designed to add wireless audio capabilities to various sound systems. It features Bluetooth 5.3 for stable, high-quality audio transmission, a digital display, and multiple output options including Fiber Optic, RCA, and AUX. It also supports USB flash disk playback, making it suitable for use in cars, homes, with computers, and TVs.
2. Especificacions
| Nom del producte | Adaptador Bluetooth |
| Model | C36 |
| Versió Bluetooth | V5.3 + EDR |
| Protocol Bluetooth | A2DP/AVRCP |
| Material | Plàstic ABS |
| Color | Negre |
| Distància Bluetooth | Up to 10 meters (obstacle-free transmission) |
| Interfícies | AUX (3.5mm), RCA Audio Output, USB Playback, Optical Fiber Output, Type-C Charging |
| Entrada de càrrega | USB DC5V (Type-C port) |
| Potència de sortida | 30mv |
| Suport del sistema | All Bluetooth audio devices |
| Mida del producte | 90 mm (L) x 77 mm (A) x 30 mm (Al) |
3. Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- 1x C36 Bluetooth Adapter
- 1x 3.5mm AUX Audio Cable
- 1x cable d'àudio RCA
- 1x Optical Fiber Audio Cable
- 1x Type-C Power Cable
- 1 x manual d'usuari
Note: A USB flash disk (U-Disk) is not included.

4. Producte acabatview
Familiarize yourself with the C36 Bluetooth Audio Receiver's components and interfaces:

- Multifunction knob (Volume control, Power)
- Tecla de canvi de mode
- Botó de la cançó anterior
- Botó de la següent cançó
- USB disk socket (for USB flash drive playback)
- Pantalla digital
- RCA dual channel interface (Left/Right audio output)
- Optical fiber interface (Digital audio output)
- 3.5mm audio hole (AUX output)
- Type-C charging hole (Power input)
- Antenna (for Bluetooth signal reception)
5. Instruccions de configuració
Follow these steps to set up your C36 Bluetooth Audio Receiver:
- Connexió d'alimentació: Connect the provided Type-C power cable to the receiver's Type-C charging hole (10) and plug the other end into a USB DC5V power source (e.g., a USB wall adapter, computer USB port). The device will power on automatically.
- Instal·lació de l'antena: Screw the antenna (11) securely into its designated port on the receiver. Position it upright for optimal Bluetooth signal reception.
- Connexió de sortida d'àudio: Choose one of the following methods to connect the receiver to your audio system:
- Sortida RCA: Use the RCA audio cable to connect the receiver's RCA dual channel interface (7) to the RCA input ports on your amplifier, active speakers, or home stereo system.
- AUX (3.5mm) Output: Use the 3.5mm AUX audio cable to connect the receiver's 3.5mm audio hole (9) to the AUX input on your headphones, car stereo, or speakers.
- Optical Fiber Output: Use an optical fiber audio cable to connect the receiver's optical fiber interface (8) to the optical input on your compatible audio system.

6. Instruccions de funcionament
Once set up, operate your C36 receiver as follows:
- Encès/apagat: The device powers on automatically when connected to a USB DC5V power source. To turn off, disconnect the power.
- Selecció del mode: Press the Mode switch key (2) repeatedly to cycle through the available input modes: Bluetooth, USB Playback, AUX, RCA, Optical. The digital display (6) will indicate the current mode.
- Emparellament Bluetooth:
- Switch the receiver to Bluetooth mode using the Mode switch key (2). The digital display will show a Bluetooth icon or similar indicator.
- On your mobile phone, tablet, or other Bluetooth-enabled device, go to its Bluetooth settings.
- Cerca available devices and select "C36" from the list.
- Once paired, the digital display may show a steady Bluetooth icon, indicating a successful connection.
- You can now play audio from your paired device wirelessly through the C36 receiver.
- USB Flash Disk Playback:
- Insert a USB flash disk (U-Disk) containing audio files into the USB disk socket (5).
- Switch the receiver to USB playback mode using the Mode switch key (2). The digital display will show a USB icon or similar indicator.
- Use the Previous song (3) and Next song (4) buttons to navigate through your audio tracks.

Image: USB flash disk inserted for direct audio playback. - Control de volum: Rotate the Multifunction knob (1) clockwise to increase volume and counter-clockwise to decrease volume.
7. Manteniment
To ensure the longevity and optimal performance of your C36 Bluetooth Audio Receiver, please follow these maintenance guidelines:
- Mantingueu el dispositiu en un ambient sec i allunyat de la humitat.
- Eviteu exposar el dispositiu a temperatures extremes (calor o fred).
- No intenteu desmuntar ni modificar el dispositiu, ja que això anul·larà la garantia.
- Clean the exterior of the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Protect the ports from dust and debris when not in use.
8. Solució De Problemes
If you encounter issues with your C36 Bluetooth Audio Receiver, refer to the following common problems and solutions:
- Sense sortida de so:
- Ensure the receiver is properly powered on and the digital display is active.
- Verify that the audio cables (RCA, AUX, Optical) are securely connected to both the receiver and your audio system.
- Check that the receiver is set to the correct input mode (e.g., Bluetooth, USB) using the Mode switch key (2).
- Confirm that the volume levels on both the C36 receiver (Multifunction knob 1) and your connected audio system are turned up.
- If using Bluetooth, ensure your device is successfully paired and playing audio.
- Bluetooth Disconnection or Poor Range:
- Ensure the antenna (11) is securely attached and positioned vertically.
- Reduce the distance between the C36 receiver and your Bluetooth transmitting device.
- Remove any large physical obstructions (walls, metal objects) between the devices.
- Avoid placing the receiver near other wireless devices (Wi-Fi routers, microwaves) that may cause interference.
- Try re-pairing your Bluetooth device with the C36 receiver.
- USB Flash Disk Playback Not Working:
- Ensure the USB flash disk is fully inserted into the USB disk socket (5).
- Verify that the receiver is in USB playback mode.
- Check if the USB flash disk is formatted correctly (e.g., FAT32) and contains compatible audio file formats (e.g., MP3, WAV).
- Try using a different USB flash disk to rule out a drive issue.
9. Consells d'usuari
- For the best Bluetooth range and connection stability, always ensure the external antenna is properly installed and positioned upright, free from obstructions.
- When switching between different audio sources (Bluetooth, USB, etc.), remember to use the Mode switch key (2) to select the desired input. The digital display (6) will help confirm your selection.
- The C36 receiver is designed for plug-and-play functionality with USB flash drives, requiring no additional drivers for playback.
10. Garantia i Suport
This product comes with a one-year warranty from the date of purchase. For technical support, troubleshooting assistance, or to make a warranty claim, please contact your retailer or the manufacturer directly. Please retain your proof of purchase for warranty validation.





