JXTZ Aux Bluetooth 5.3 Adapter User Manual

1. Introduction

The JXTZ Aux Bluetooth 5.3 Adapter is a versatile 2-in-1 device designed to add wireless audio capabilities to your existing wired audio systems. It functions as both a Bluetooth transmitter (TX) and a Bluetooth receiver (RX), allowing you to stream audio wirelessly to or from non-Bluetooth devices. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting.

Image 1.1: The JXTZ Aux Bluetooth 5.3 Adapter, a compact black device with a 3.5mm audio jack and an illuminated indicator light.

2. Product Overview

2.1 Package Contents

• JXTZ Aux Bluetooth 5.3 Adapter
• 3.5mm Connector (integrated)
• Charging Cable (USB)
• User Manual

2.2 Device Components

Image 2.1: Labeled diagram of the JXTZ Aux Bluetooth Adapter showing its components: Microphone, Multifunction Button (Power/Play/Pause), Indicator Light, Transmitter/Receiver switch, Aux in/out port, and 5V/1A Charging port.

• Multifunction Button (M): Power On/Off, Play/Pause, Answer/End Calls.
• Indicator Light: Displays device status (pairing, connected, charging).
• Microphone: For hands-free calling.
• RX/TX Mode Switch: Toggles between Receiver and Transmitter modes.
• 3.5mm Aux Connector: For audio input/output.
• 5V/1A Charging Port: Micro USB port for charging the device.

2.3 Key Features

• Bluetooth 5.3 Technology: Ensures stable connection and fast transmission.
• 2-in-1 Functionality: Operates as both a Bluetooth Transmitter (TX) and Receiver (RX).
• Hands-Free Calling: Built-in microphone for convenient call management.
• Auto Reconnection: Automatically pairs with the last connected device.
• Portable Design: Compact and lightweight for easy transport.
• Wide Compatibility: Connects to car audio systems, home stereos, speakers, headphones, TVs, computers, and more.

3. Setup Instructions

3.1 Charging the Device

Before first use, fully charge the adapter. Connect the provided USB charging cable to the adapter's charging port and a 5V/1A USB power source. The indicator light will show charging status. A full charge typically takes approximately 2 hours and provides 4-6 hours of music playback or call time.

Image 3.1: Illustration showing the adapter charging and indicating a battery life of 4-6 hours for music or calls after a 2-hour charge.

3.2 Power On/Off

• Power On: Press and hold the Multifunction Button for 3 seconds. The indicator light will illuminate.
• Power Off: Press and hold the Multifunction Button for 3 seconds. The indicator light will turn off.

3.3 Switching Modes (TX/RX)

The adapter features a physical switch to select between Transmitter (TX) and Receiver (RX) modes. Ensure the device is powered off before switching modes to prevent unexpected behavior.

• RX (Receiver) Mode: Slide the switch to 'RX'. In this mode, the adapter receives Bluetooth audio from your phone/tablet and outputs it to a wired device (e.g., car stereo, wired headphones).
• TX (Transmitter) Mode: Slide the switch to 'TX'. In this mode, the adapter takes audio from a wired source (e.g., TV, computer) and transmits it via Bluetooth to a Bluetooth-enabled device (e.g., Bluetooth headphones, speaker).

Image 3.2: Diagram illustrating the components of the JXTZ Aux Bluetooth Adapter, including the RX/TX mode switch, 3.5mm connector, charging port, microphone, multifunction button, and indicator light.

3.4 Pairing in Receiver (RX) Mode

Use this mode to connect your phone/tablet to a non-Bluetooth audio system (e.g., car stereo, home speaker, wired headphones).

1. Slide the mode switch to RX.
2. Plug the adapter's 3.5mm connector into the AUX input of your car stereo, home speaker, or wired headphones.
3. Press and hold the Multifunction Button for 3 seconds to power on. The indicator light will flash blue, indicating pairing mode.
4. On your phone or tablet, enable Bluetooth and search for new devices. Select "C28" from the list.
5. Once connected, the indicator light will turn solid blue. You can now stream audio from your device to the connected audio system.

Image 3.3: Visual guide for pairing the adapter in Receiver Mode, showing the switch set to RX, plugging into a car's AUX port, and selecting 'C28' on a smartphone.

3.5 Pairing in Transmitter (TX) Mode

Use this mode to connect a non-Bluetooth audio source (e.g., TV, computer) to Bluetooth headphones or speakers.

1. Slide the mode switch to TX.
2. Plug the adapter's 3.5mm connector into the audio output (e.g., headphone jack) of your TV, computer, or other audio source.
3. Press and hold the Multifunction Button for 3 seconds to power on. The indicator light will flash red, indicating pairing mode.
4. Put your Bluetooth headphones or speaker into pairing mode.
5. The adapter will automatically search for and connect to nearby Bluetooth audio devices. Once connected, the indicator light will turn solid red.

Image 3.4: Visual guide for pairing the adapter in Transmitter Mode, showing the switch set to TX, plugging into a TV's audio output, and connecting to Bluetooth headphones.

3.6 Ensuring Proper Connection

For optimal audio quality and to avoid noise or sound issues, ensure the 3.5mm connector is fully inserted into the audio port of your device. There should be no visible gap between the adapter and the port.

Image 3.5: Illustration demonstrating the correct and incorrect insertion of the 3.5mm audio connector. A fully inserted connector ensures no gaps and proper audio transmission.

4. Operating Instructions

4.1 Hands-Free Calling (RX Mode Only)

When the adapter is in Receiver (RX) mode and connected to your phone, you can manage calls using the Multifunction Button:

• Answer Call: Short press the Multifunction Button.
• End Call: Short press the Multifunction Button during a call.
• Reject Call: Press and hold the Multifunction Button for 2 seconds.
• Redial Last Number: Double-press the Multifunction Button.

Image 4.1: A driver using the JXTZ Aux Bluetooth Adapter for hands-free calling in a car, with icons for answering, redialing, and rejecting calls.

4.2 Audio Playback Control

While playing music in either TX or RX mode:

• Play/Pause: Short press the Multifunction Button.

4.3 Auto Reconnection

The adapter is designed to automatically reconnect to the last paired device when powered on, provided the device's Bluetooth is active and within range. If the last device is not found, the adapter will enter pairing mode.

5. Maintenance

• Keep the device dry. Avoid exposure to moisture, rain, or humidity.
• Do not expose the device to extreme temperatures (hot or cold).
• Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Store the device in a clean, dust-free environment when not in use.
• Avoid dropping or subjecting the device to strong impacts.

6. Troubleshooting

7. Specifications

• Model: B098SZJR45
• Bluetooth Version: 5.3
• Connectivity Technology: Auxiliary, Bluetooth
• Operating Range: Up to 33 feet (10 meters) without obstacles
• Power Source: Battery Powered
• Charging Input: 5V/1A (Micro USB)
• Charging Time: Approximately 2 hours
• Usage Time: 4-6 hours (music/calls)
• Special Feature: Built-In Microphone
• Product Dimensions: 2.34 x 0.86 x 0.47 inches (5.94 x 2.18 x 1.19 cm)
• Item Weight: 0.634 ounces (18 grams)

Image 7.1: Visual representation of the adapter's small and portable size, showing its dimensions and how it fits in a hand.

8. Warranty and Support

JXTZ is committed to providing quality products and customer satisfaction. For any questions, technical support, or warranty claims, please refer to the contact information provided with your purchase or visit the official JXTZ website. We encourage you to reach out for assistance if you encounter any issues with your product.