Introducción
This manual provides detailed instructions for the safe and efficient use of your LDNIO Bluetooth FM Transmitter for Car, Model C705Q. This device allows you to stream audio from your smartphone to your car's FM radio, make hands-free calls, and charge multiple devices simultaneously.

Image: The LDNIO Bluetooth FM Transmitter, Model C705Q, plugged into a car's cigarette lighter socket, displaying an FM frequency.
Producto terminadoview
The LDNIO C705Q is a versatile car accessory designed to enhance your in-car audio and charging experience. It features Bluetooth 5.0 for stable connections, an FM transmitter for audio streaming, and multiple fast-charging ports.
Características principales:
- Bluetooth 5.0: Provides a stable and fast wireless connection for audio streaming and hands-free calls.
- Transmisor FM: Broadcasts audio to your car's radio on a selected FM frequency.
- Múltiples puertos de carga: Includes a USB-C port with PD (Power Delivery) and two USB-A ports with QC 3.0 (Quick Charge) for rapid charging of compatible devices.
- Llamadas manos libres: Built-in microphone with CVC noise suppression technology for clear calls.
- Pantalla LED: Shows FM frequency and car battery voltage.
- Reproducción de U-Disk: Supports music playback directly from a USB flash drive.
- Compatibilidad universal: Works with 12V-24V vehicles and a wide range of smartphones and audio players.
- Protecciones de seguridad: Sobrecorriente incorporada, sobrevol.tage, sobretemperatura y protección contra cortocircuitos.

Image: The LDNIO C705Q device highlighting its USB-C (PD), USB-1 (QC3.0), and USB-2 (QC3.0) charging ports.

Image: An illustration depicting the integrated Bluetooth 5.0 chip within the device, ensuring enhanced connectivity.
Instrucciones de instalación
- Insertar en el enchufe del coche: Plug the LDNIO C705Q into your car's 12V-24V cigarette lighter socket. The LED display will light up, showing the current car battery voltage for a few seconds, then switch to display the FM frequency.
- Sintonizar la radio del coche: Sintonice la radio FM de su automóvil en una frecuencia vacía (una sin señal de transmisión fuerte).
- Establecer la frecuencia del transmisor: Adjust the FM frequency on the LDNIO C705Q to match the empty frequency on your car radio. Use the frequency adjustment buttons on the device.
- Emparejar Bluetooth: On your smartphone, enable Bluetooth and search for available devices. Select "LDNIO C705Q" (or similar name) from the list to pair. Once paired, a voice prompt will confirm the connection.

Image: The LDNIO C705Q plugged into a car's power outlet, displaying an FM frequency of 87.5, ready for setup.
Instrucciones de funcionamiento
Reproducción de audio:
- Transmisión por Bluetooth: After successful Bluetooth pairing, open your phone's music player or audio app. Audio will be transmitted wirelessly to the C705Q and then to your car's speakers via the selected FM frequency.
- Reproducción de U-Disk: Insert a USB flash drive containing MP3/WAV/FLAC/APE/WMA audio files into the designated USB port. The device will automatically detect and play music from the U-Disk.
Llamadas manos libres:
- Responder llamadas: When an incoming call is received, the device will automatically switch to hands-free mode. Press the multi-function button (usually marked with a phone icon or play/pause) once to answer the call.
- Finalización de llamadas: Press the multi-function button once to end an ongoing call.
- Rechazar llamadas: Long-press the multi-function button to reject an incoming call.
- Rellamada: Presione dos veces el botón multifunción para volver a marcar el último número.

Image: The LDNIO C705Q demonstrating its hands-free calling feature, with a smartphone screen showing an incoming call.
Dispositivos de carga:
Connect your devices using appropriate USB cables to the available charging ports:
- Puerto USB-C (PD): For fast charging PD-compatible devices.
- USB-A (QC 3.0) Ports: For fast charging QC 3.0 compatible devices.
- The device supports simultaneous charging of multiple devices.
Volumen de la batería del cochetagPantalla:
Upon plugging in, the device displays your car's battery voltage. This feature helps monitor your car battery's health:
- Por debajo de 12 V: Indica bajo volumentage, suggesting a potential battery issue.
- 12V-14.8V: Vol de funcionamiento normaltage.
- Por encima de 14.8 V: Indica alto volumentage, which may suggest an alternator issue.

Image: The LED display showing car battery voltage, with visual indicators for low, normal, and high voltagy niveles.
Mantenimiento
- Limpieza: Use a soft, dry cloth to clean the device. Do not use liquids or abrasive cleaners.
- Almacenamiento: When not in use for extended periods, unplug the device from the car socket and store it in a cool, dry place.
- Evite condiciones extremas: No exponga el dispositivo a temperaturas extremas, luz solar directa o humedad excesiva.
Solución de problemas
- Sin energía:
- Asegúrese de que el dispositivo esté bien conectado a la toma del encendedor del automóvil.
- Check if the car's cigarette lighter fuse is intact.
- Audio estático o de mala calidad:
- Find a clearer, unused FM frequency on your car radio and match the transmitter's frequency to it.
- Ensure the volume on your phone and car stereo is set appropriately.
- Move away from areas with strong radio interference.
- Desconexión Bluetooth:
- Asegúrese de que el Bluetooth de su teléfono esté habilitado y dentro del alcance.
- Try unpairing and re-pairing the device with your phone.
- Reinicie tanto el dispositivo (desconectándolo y volviéndolo a conectar) como el teléfono.
- La carga no funciona:
- Verify that the charging cable is properly connected to both the device and your phone.
- Ensure your cable is not damaged and supports charging.
- Check if your device requires a specific charging protocol (PD/QC 3.0) and use the corresponding port.
- Problemas con llamadas manos libres:
- Asegúrese de que el micrófono no esté obstruido.
- Adjust the volume on your car stereo and phone during a call.
Presupuesto
| Modelo | C705Q |
| Vol de entradatage | CC 12 V-24 V |
| Versión de Bluetooth | 5.0 |
| Distancia de transmisión FM | 0-16.4 Ft (0-5 meters) |
| Distancia de conexión Bluetooth | 0-32.8 Ft (0-10 meters) |
| Compatibilidad con formatos de audio | MP3/WAV/FLAC/MONO/WMA |
| Puertos de carga | 1x USB-C (PD), 2x USB-A (QC 3.0) |
| Potencia de salida total | 43 W (máximo) |
| Características especiales | Built-In Microphone, Fast Charging, Noise Cancellation, LED Display |
| Material | Plástico |

Image: Visual representation of the multi-protection features integrated into the LDNIO C705Q for safe operation.
Garantía y soporte
Specific warranty information for the LDNIO Bluetooth FM Transmitter Model C705Q is typically provided at the point of purchase or within the product packaging. Please refer to your purchase receipt or contact the retailer for details regarding warranty coverage.
For technical support or further assistance, please contact LDNIO customer service through their official websitio o la información de contacto proporcionada con su producto.