Isobel Bluetooth 5.3 Transmitter Receiver 3-in-1 User Manual

Introduction

Thank you for choosing the Isobel Upgraded Bluetooth 5.3 Transmitter Receiver 3-in-1. This versatile device allows you to wirelessly transmit audio from non-Bluetooth sources to Bluetooth headphones/speakers (Transmitter Mode) or receive audio from Bluetooth devices to non-Bluetooth headphones/speakers/home stereo systems (Receiver Mode). Please read this manual carefully to ensure proper use and optimal performance.

Product Overview

The Isobel Bluetooth Transmitter Receiver is a compact and portable audio solution. Familiarize yourself with its components and what's included in the package.

Image: The Isobel Bluetooth 5.3 Transmitter Receiver 3-in-1, showing its compact design and 3.5mm audio jack.

Package Contents:

Image: The product package contents, including the adapter, 3.5mm audio cable, and USB charging cable.

• Isobel Bluetooth 5.3 Transmitter Receiver
• 3.5mm Audio Cable
• USB Charging Cable
• User Manual

Key Features:

• 3-in-1 Functionality: Supports Transmitter (TX), Receiver (RX), and PC Bluetooth enabling modes.
• Bluetooth 5.3: Provides stable and efficient wireless connection.
• Long Battery Life: Built-in 300mAh rechargeable battery offers 10+ hours of use.
• Easy Mode Switching: Dedicated TX/RX switch for quick mode changes.
• Multi-functional Buttons: Control playback (pause/play, skip tracks, volume) in Receiver Mode.

Image: A graphic illustrating the 300mAh battery providing over 10 hours of continuous use.

Setup

Charging the Device:

Before first use, fully charge the device. Connect the USB charging cable to the device's Micro USB port and the other end to a USB power source (e.g., computer USB port, USB wall adapter). The LED indicator will show charging status and turn off when fully charged.

Mode Selection:

The device features a physical switch to toggle between Transmitter (TX) and Receiver (RX) modes. Ensure the switch is set to the desired mode before connecting to audio sources.

Image: A close-up view of the TX/RX mode switch on the side of the device.

Transmitter Mode (TX):

Use TX mode to wirelessly transmit audio from non-Bluetooth devices (like TVs, PCs, CD/DVD players) to Bluetooth headphones or speakers.

1. Set the mode switch to TX.
2. Connect the device to your non-Bluetooth audio source (e.g., TV, PC, MP3 player) using the 3.5mm audio cable. Plug one end into the device's 3.5mm audio input and the other into the audio output jack of your source device.
3. Power on the Isobel device. It will automatically enter pairing mode (LED will flash).
4. Place your Bluetooth headphones or speaker in pairing mode.
5. The Isobel device will automatically search for and connect to your Bluetooth audio device. Once connected, the LED will remain solid.

Image: A diagram illustrating how to set up the device in Transmitter Mode, connecting to a TV, desktop, laptop, or MP3 player to stream audio to Bluetooth headphones or speakers.

Image: The Isobel Bluetooth adapter connected to a television, enabling wireless audio transmission to Bluetooth headphones.

Receiver Mode (RX):

Use RX mode to wirelessly stream audio from your Bluetooth-enabled devices (like smartphones, tablets) to non-Bluetooth headphones, speakers, or home stereo systems.

1. Set the mode switch to RX.
2. Connect the device to your non-Bluetooth audio output device (e.g., wired headphones, wired speakers, car stereo) using the 3.5mm audio cable. Plug one end into the device's 3.5mm audio output and the other into the audio input jack of your output device.
3. Power on the Isobel device. It will automatically enter pairing mode (LED will flash).
4. On your Bluetooth-enabled device (smartphone, tablet), search for Bluetooth devices and select "Isobel" (or similar name) from the list to pair.
5. Once connected, the LED will remain solid, and you can play audio from your Bluetooth device through the connected non-Bluetooth speakers/headphones.

Image: A diagram illustrating how to set up the device in Receiver Mode, connecting to wired speakers or a wired headset to receive audio from smartphones, gaming consoles, or tablets.

PC Connection (TX Mode via USB):

The device can also function as a Bluetooth transmitter for your PC without needing a 3.5mm audio cable or drivers.

1. Set the mode switch to TX.
2. Connect the Isobel device to your PC's USB port using the USB charging cable.
3. The PC will recognize the device as an audio output. Select it as your audio output device in your PC's sound settings.
4. Power on the Isobel device. It will enter pairing mode.
5. Place your Bluetooth headphones or speaker in pairing mode.
6. The Isobel device will automatically connect to your Bluetooth audio device.

Image: The Isobel Bluetooth adapter connected to a laptop via its USB cable, enabling Bluetooth functionality for the computer.

Operating Instructions

Automatic Reconnection:

Once powered on, the device will automatically attempt to reconnect to the last paired device. Ensure the previously paired device's Bluetooth is enabled and within range.

Controlling Playback (Receiver Mode Only):

When in Receiver Mode, the multi-functional buttons on the device allow for convenient control of your audio playback:

• Power Button: Press once to Play/Pause music.
• '+' Button: Press once to increase volume. Press and hold to skip to the next track.
• '-' Button: Press once to decrease volume. Press and hold to skip to the previous track.

Usage Scenarios:

Image: The Isobel Bluetooth adapter connected to a car's audio system, enabling wireless music streaming from a smartphone.

Image: A person enjoying television audio privately through wireless headphones, facilitated by the Isobel Bluetooth adapter.

Maintenance

• Keep the device dry. Avoid exposure to moisture or liquids.
• Do not expose the device to extreme temperatures.
• Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Store the device in a cool, dry place when not in use.
• Avoid dropping or subjecting the device to strong impacts.

Troubleshooting

Specifications

Warranty and Support

Isobel products come with a standard manufacturer's warranty. For detailed warranty information, please refer to the warranty card included in your package or visit the official Isobel website. If you encounter any issues or have questions regarding your device, please contact Isobel customer support through the contact information provided on our website or your purchase platform.

Please retain your proof of purchase for warranty claims.