Mohard Bluetooth 5.3 2-in-1 Audio Adapter J51 User Manual

1. Produto rematadoview

The Mohard J51 Bluetooth 5.3 2-in-1 Audio Adapter is a versatile device designed to enhance your wireless audio experience. It functions as both a Bluetooth transmitter (TX) and a Bluetooth receiver (RX), allowing you to easily adapt to various audio scenarios with a simple switch.

Características principais:

• Funcionalidade 2 en 1: Cambia sen problemas entre os modos de transmisor (TX) e receptor (RX).
• Tecnoloxía Bluetooth 5.3: Ensures stable, robust, and low-latency wireless connections with a range of up to 10 meters.
• Dual-Link Connectivity: Connect two wireless headphones simultaneously in TX mode for shared listening.
• Duración prolongada da batería: Ata 12 horas de uso continuo cunha única carga.
• Chamadas mans libres: Integrated microphone with advanced noise cancellation for clear calls in RX mode.
• One-Click Factory Reset: Simplifies troubleshooting by restoring default settings.
• Compatibilidade universal: Works with a wide range of audio sources and devices via 3.5mm AUX and USB-C.

Image 1.1: The Mohard J51 Bluetooth 5.3 2-in-1 Audio Adapter, showcasing its compact design, 3.5mm audio jack, and included airplane adapter.

Image 1.2: The Mohard J51 adapter demonstrating its small, portable size, fitting easily into a pocket for convenient travel.

2. Contido do paquete

Comprobe se o paquete contén os seguintes elementos:

• Mohard Bluetooth Transmitter Receiver (J51) x1
• Cable de carga tipo C x1
• Dual 3.5mm AUX Adapter (for airplane use) x1
• Manual de usuario x1

3. Disposición do dispositivo

Familiarize yourself with the buttons and ports on your Mohard J51 adapter:

• Power Button / Play/Pause: Manter premido para acender/apagar. Premer brevemente para reproducir/pausar o audio.
• Interruptor TX/RX: Slide to select Transmitter (TX) or Receiver (RX) mode.
• Botón de reinicio: Press to perform a factory reset.
• Conector de audio de 3.5 mm: Para conectar a fontes de son ou dispositivos de saída.
• Porto de carga USB-C: Para cargar o dispositivo.
• Luces indicadoras: Display pairing status, mode, and battery level.

4. Cargando o dispositivo

Before first use, fully charge the Mohard J51 adapter.

1. Connect the provided Type-C charging cable to the USB-C port on the adapter.
2. Conecta o outro extremo do cable a unha fonte de alimentación USB (por exemplo, un adaptador de parede, un porto USB do ordenador).
3. The indicator light will show charging status (refer to the device's LED behavior for specifics, typically red while charging, off or blue when fully charged).
4. Unha carga completa proporciona ata 12 horas de uso continuo.

Image 4.1: The Mohard J51 adapter highlighting its extended battery life of up to 12 hours on a single charge.

5. Configuración e emparellamento

5.1 Encendido/apagado

• Encendido: Manteña premido o botón de acendido/apagado durante aproximadamente 3 segundos ata que a luz indicadora parpadee.
• Apagado: Manteña premido o botón de acendido/apagado durante aproximadamente 3 segundos ata que o indicador luminoso se apague.

5.2 Select Mode (TX/RX)

Slide the TX/RX switch on the side of the device to select the desired mode:

• Modo TX (transmisor): Para enviar audio desde un dispositivo sen Bluetooth a auriculares/altofalantes Bluetooth.
• Modo RX (Receptor): To receive Bluetooth audio from a smartphone/tablet and play it through wired speakers/car stereo.

5.3 Pairing in TX Mode (Transmitter)

Use TX mode to stream audio from devices like TVs, computers, or airplane entertainment systems to your Bluetooth headphones or speakers.

1. Switch the adapter to Modo TX.
2. Connect the adapter's 3.5mm audio jack to the audio output port of your non-Bluetooth device (e.g., TV headphone jack, airplane audio jack). Use the dual 3.5mm AUX adapter for airplane entertainment systems if needed.
3. Place your Bluetooth headphones or speaker into pairing mode (refer to your headphone/speaker manual).
4. The adapter will automatically search for and connect to nearby Bluetooth devices. The indicator light will show a successful connection.
5. Emparejamento dual: To connect a second pair of headphones, put the second device into pairing mode. The adapter supports simultaneous connection to two wireless headphones.

Image 5.1: The Mohard J51 adapter in TX mode, connected to an airplane's audio jack, enabling wireless audio streaming to Bluetooth earbuds for in-flight entertainment.

Image 5.2: Illustrates the dual-link feature, allowing two users to simultaneously connect their Bluetooth headphones to the Mohard J51 adapter and share audio from a single source.

5.4 Pairing in RX Mode (Receiver)

Use RX mode to receive Bluetooth audio from your smartphone or tablet and play it through wired speakers, car stereos, or other AUX-IN enabled devices.

1. Switch the adapter to Modo RX.
2. Connect the adapter's 3.5mm audio jack to the AUX-IN port of your wired speaker, car stereo, or other audio output device.
3. Enable Bluetooth on your smartphone or tablet and search for "Mohard J51" (or similar device name) in the list of available devices.
4. Select the adapter to pair. The indicator light will confirm a successful connection.
5. Once connected, you can stream audio from your smartphone/tablet to the connected wired device.
6. Chamadas mans libres: In RX mode, the built-in microphone allows you to answer calls. Short press the Power button to answer/end a call.

Image 5.3: The Mohard J51 adapter in RX mode, connected to a car's AUX input, enabling wireless audio streaming and hands-free calls from a smartphone.

Image 5.4: A comprehensive diagram detailing the various devices compatible with the Mohard J51 adapter in both Receiver (RX) mode for audio input and Transmitter (TX) mode for audio output.

6. Instrucións de funcionamento

6.1 Controis básicos

• Reproducir/Pausa: Prema brevemente o botón de acendido.
• Responder/Finalizar chamada (Modo RX): Prema brevemente o botón de acendido.

6.2 One-Click Factory Reset

If you encounter persistent issues or wish to clear all pairing records, you can perform a factory reset:

1. Asegúrese de que o dispositivo estea acendido.
2. Preme o Botón de reinicio (usually a small button that may require a pin or paperclip to press).
3. The device will reset to its original factory settings, and all previous pairing information will be cleared.

7. Notas importantes

The Mohard J51 Bluetooth adapter is NOT suitable for electronic musical instruments such as guitars or pianos. It is designed for general audio transmission and reception, not for low-latency, high-fidelity instrument audio.

8. Especificacións

Imaxe 8.1: Interna view of the Mohard J51 adapter, emphasizing the Bluetooth 5.3 chip for stable and fast wireless connectivity.

9. Mantemento

To ensure the longevity and optimal performance of your Mohard J51 adapter, follow these maintenance guidelines:

• Limpeza: Limpe o dispositivo cun pano suave e seco. Evite o uso de produtos químicos agresivos ou produtos de limpeza abrasivos.
• Almacenamento: Garde o adaptador nun lugar fresco e seco, lonxe da luz solar directa e de temperaturas extremas.
• Evitar auga: Non expoñas o dispositivo á auga nin a humidade excesiva.
• Manipular con coidado: Evite deixar caer ou someter o dispositivo a fortes impactos.

10 Solución de problemas

If you encounter issues with your Mohard J51 adapter, please refer to the following common problems and solutions:

• O dispositivo non se acende:
  • Asegúrate de que o dispositivo estea completamente cargado. Conéctao a unha fonte de alimentación mediante o cable tipo C.
  • Manteña premido o botón de acendido durante polo menos 3 segundos.
• Unable to Pair / Connection Issues:
  • Asegúrate de que o adaptador estea no modo correcto (TX para transmitir, RX para recibir).
  • Make sure the adapter and the target Bluetooth device are within the 10-meter range.
  • Put both devices into pairing mode.
  • Borra os rexistros de emparellamento anteriores en ambos os dispositivos e tenta emparellalos de novo.
  • Perform a One-Click Factory Reset on the adapter (see Section 6.2).
• Sen audio / Mala calidade de audio:
  • Check all cable connections (3.5mm AUX) are secure.
  • Asegúrate de que o volume tanto do adaptador como do dispositivo de son conectado estea alto.
  • Verify that the adapter is successfully paired.
  • Reduce as interferencias afastándote doutros dispositivos sen fíos ou obstáculos.
  • Ensure the adapter is not being used with electronic musical instruments, as it is not designed for this purpose.

11. Garantía e soporte

The Mohard J51 Bluetooth 5.3 2-in-1 Audio Adapter comes with a one-year after-sales service warranty desde a data de compra.

If you experience any issues or have questions regarding your product, please contact Mohard customer support through your purchase platform. Please have your order number and product model (J51) ready when contacting support for faster assistance.