Introducción
The ESSAGER 2-in-1 Bluetooth 5.1 Transmitter & Receiver is a versatile audio adapter designed to add Bluetooth functionality to various devices. It can operate in two modes: Transmitter (TX) to send audio from non-Bluetooth devices to Bluetooth headphones or speakers, and Receiver (RX) to enable non-Bluetooth audio systems to receive audio wirelessly from Bluetooth-enabled devices like smartphones. This manual provides detailed instructions for setup, operation, and maintenance.
Características del producto
- Funcionalidad de modo dual: Seamlessly switch between Receiver (RX) and Transmitter (TX) modes for diverse audio needs.
- Tecnología Bluetooth 5.1: Ensures stable connections, lower latency, and improved energy efficiency.
- Amplia compatibilidad: Connects to devices such as TVs, PCs, car stereos, home audio systems, headphones, and speakers via a 3.5mm AUX port.
- Rango de transmisión extendido: Offers a stable transmission range of up to 10 meters (33 feet).
- Micrófono incorporado: Features a high-definition noise-canceling microphone for clear call reception in Receiver mode.
- Batería de larga duración: Integrated 140mAh polymer battery provides 6-7 hours of usage on a single charge.
- Diseño compacto y portátil: Made with durable ABS+PC+TPU materials, featuring a flexible plug for easy portability and use in various environments.
- Puerto de carga tipo C: Universal Type-C port for convenient charging, allowing use while charging.

Image: The ESSAGER 2-in-1 Bluetooth adapter highlighting its dual-mode functionality, HD noise reduction mic, and compact design.

Image: The adapter illustrating its 10-meter stable transmission range within a home environment.
Contenido del paquete
- ESSAGER 2-in-1 Bluetooth 5.1 Transmitter & Receiver
- Cable de carga USB-C
- Manual de usuario (este documento)
Presupuesto
| Marca | Ensayador |
| Nombre del modelo | ES-BT10 (bluetooth aux rx and tx BT 5.1) |
| Versión de Bluetooth | 5.1 |
| Dimensiones del producto | 4 x 2 x 9.5 cm |
| Peso del artículo | 35 gramos |
| Interfaz de hardware | Audio de 3.5 mm |
| Dispositivos compatibles | Car Stereo System, Desktop, Laptop, Speaker |
| Entrada/salida de audio | 3.5mm AUX (Stereo) |
| Fuente de poder | Alimentado por batería (batería de polímero de 140 mAh) |
| Tiempo de uso | 6-7 horas |
| Material | Acrilonitrilo butadieno estireno (ABS) |

Image: The adapter highlighting its 140mAh battery for long-lasting use.
Configuración y funcionamiento
Modo transmisor (TX)
In TX mode, the adapter transmits audio from a non-Bluetooth device (e.g., TV, PC, airplane entertainment system) to a Bluetooth receiving device (e.g., Bluetooth headphones, speakers).
- Cambiar al modo TX: Locate the TX/RX switch on the side of the adapter and slide it to the "TX" position.
- Encendido: Long press the power button for 3 seconds to turn on the adapter. The flashing red light indicates it is in connecting mode.
- Conectar a la fuente de audio: Plug the 3.5mm AUX connector of the adapter into the audio output port of your non-Bluetooth device (e.g., TV, PC).
- Emparejar con receptor Bluetooth: Place your Bluetooth headphones or speakers in pairing mode. The adapter will automatically search and connect to nearby Bluetooth receiving devices within 3-5 seconds.
- Confirmación de conexión: Once connected, the red light on the adapter will remain solid.

Image: Visual guide for setting up the adapter in Transmitter Mode (TX), showing connection to a computer and transmitting to headphones.
Modo receptor (RX)
In RX mode, the adapter receives audio wirelessly from a Bluetooth-enabled device (e.g., smartphone, tablet) and outputs it to a non-Bluetooth audio system (e.g., car stereo, home speakers).
- Cambiar al modo RX: Slide the TX/RX switch on the side of the adapter to the "RX" position.
- Encendido: Long press the power button for 3 seconds to turn on the adapter. The flashing blue light indicates it is in connecting mode.
- Conectar al sistema de audio: Plug the 3.5mm AUX connector of the adapter into the audio input jack of your non-Bluetooth audio system (e.g., car AUX port, home stereo).
- Emparejar con dispositivo Bluetooth: On your smartphone or tablet, enable Bluetooth and search for "ES-BT10" (or similar name). Select it to connect.
- Confirmación de conexión: Once connected, the blue light on the adapter will remain solid. You can now play audio from your Bluetooth device through your connected audio system.

Imagen: Examples of the adapter's use in different settings, such as connecting to an airplane's audio system, a gym treadmill, a car stereo, and home speakers.
Video: A demonstration of the ESSAGER 2-in-1 Bluetooth adapter's TX and RX modes, including setup with headphones and car audio systems. This video illustrates the flexible plug, mode switching, power-on sequence, and successful pairing in both modes, showcasing su diseño compacto y portátil.
Vídeo: Un breve resumenview of the ESSAGER 2-in-1 Bluetooth adapter, highlighting its 10-meter transmission range, wireless AUX capability, and Bluetooth connectivity. This short preview video provides a quick visual summary of key features.
Carga del dispositivo
The adapter has a built-in rechargeable battery. When the battery is low, the indicator light may flash or turn off. To charge:
- Connect the provided USB-C charging cable to the Type-C port on the adapter.
- Plug the other end of the USB-C cable into a standard USB power adapter (5V/1A recommended) or a computer's USB port.
- La luz indicadora mostrará el estado de carga (por ejemplo, roja fija durante la carga, apagada cuando está completamente cargada).
- El dispositivo se puede utilizar mientras se carga.
Mantenimiento
- Mantenga el dispositivo seco. La humedad puede dañar los circuitos internos.
- Do not expose to extreme temperatures. High temperatures can shorten the life of electronic devices.
- Avoid dropping or strong impacts, as this can damage the device.
- Limpie el dispositivo con un paño suave y seco. No utilice productos químicos ni detergentes agresivos.
- Guárdelo en un lugar fresco y seco cuando no lo utilice durante períodos prolongados.
Solución de problemas
- El dispositivo no se enciende:
- Asegúrese de que el dispositivo esté completamente cargado. Conéctelo a una fuente de alimentación mediante el cable USB-C.
- No se puede emparejar con un dispositivo Bluetooth:
- Asegúrese de que el adaptador esté en el modo correcto (TX para transmitir, RX para recibir).
- Make sure the adapter is in pairing mode (flashing red for TX, flashing blue for RX).
- Ensure the receiving/transmitting Bluetooth device is also in pairing mode.
- Acerque los dispositivos entre sí (dentro de 10 metros).
- Borre las conexiones Bluetooth anteriores en ambos dispositivos e intente emparejarlos nuevamente.
- Sin audio o mala calidad de audio:
- Compruebe si el cable AUX de 3.5 mm está conectado de forma segura tanto al adaptador como a la fuente/sistema de audio.
- Asegúrese de que el volumen tanto del adaptador como del dispositivo de audio conectado esté alto.
- Verify that the adapter is successfully paired and connected.
- Reduce las interferencias alejándote de otros dispositivos inalámbricos.
- Calls are unclear in RX mode:
- Ensure the adapter's microphone is not obstructed and you are within close proximity to the adapter for optimal voice pickup.
Garantía y soporte
This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation provided with your purchase or contact ESSAGER customer support. If you encounter any issues not covered in this manual, please reach out to the retailer or manufacturer for assistance.