Music Sound Bluetooth Audio Transmitter & Receiver (Model BTHOMETRANSMSK) User Manual

1. Introduction

The Music Sound Bluetooth Audio Transmitter & Receiver is a versatile device designed to add wireless audio capabilities to your existing equipment. It functions in two primary modes:

• Transmitter (TX) Mode: Allows you to send audio wirelessly from non-Bluetooth devices (like TVs, PCs, or older stereos) to Bluetooth-enabled headphones or speakers.
• Receiver (RX) Mode: Enables you to receive audio wirelessly from Bluetooth-enabled devices (like smartphones or tablets) and play it through non-Bluetooth audio systems (like car stereos, home stereos, or wired headphones).

This manual provides comprehensive instructions for setting up and operating your device in both modes.

2. Package Contents

Please check the package for the following items:

• Bluetooth Transmitter/Receiver Unit
• 3.5mm Jack to 3.5mm Jack Connector
• USB Charging Cable
• Instruction Manual (this document)

3. Safety Warnings

To ensure safe operation and prevent damage, please observe the following safety precautions:

• Avoid using this device near medical equipment.
• Avoid exposure to extreme temperatures.
• Dispose of batteries according to local regulations.

4. Product Overview

Familiarize yourself with the device's components and controls.

Figure 1: Top view of the device, highlighting the power button, volume/track control buttons, and the TX/RX mode indicators.

Figure 2: Angled view of the device, showing the two 3.5mm audio jack ports for input/output connections.

• Power Button: Press and hold to turn on/off. Short press to play/pause (in RX mode) or initiate pairing.
• '+' Button: Short press for next track/volume up.
• '-' Button: Short press for previous track/volume down.
• TX/RX Switch: Indicates the current operating mode (Transmitter or Receiver).
• 3.5mm Audio Jack Ports: For connecting to audio sources or output devices.

5. Charging the Device

The device is powered by a rechargeable Lithium-Ion Polymer battery. Before first use, or when the battery is low, charge the device using the provided USB charging cable.

1. Connect the small end of the USB charging cable to the charging port on the device.
2. Connect the larger end of the USB charging cable to a USB power adapter (not included) or a computer's USB port.
3. The charging indicator light will illuminate. A full charge takes approximately 2.5 hours and provides up to 10 hours of playback time.

6. Operating Modes

6.1. Transmitter (TX) Mode

Use TX mode to transmit audio from a non-Bluetooth device (e.g., TV, PC, MP3 player) to Bluetooth headphones or speakers.

1. Set Mode: Ensure the device is in TX mode (check the indicator).
2. Connect Audio Source: Use the 3.5mm audio cable to connect the device's audio input port to the audio output (e.g., headphone jack) of your non-Bluetooth source device (e.g., TV).
3. Power On: Press and hold the Power button to turn on the device. It will automatically enter pairing mode, indicated by a flashing light.
4. Pair with Receiver: Put your Bluetooth headphones or speakers into pairing mode. Place them close to the transmitter. The devices should automatically connect. Once connected, the indicator light will change (e.g., solid blue).
5. Play Audio: Start playing audio on your source device. The sound will now be transmitted wirelessly to your Bluetooth headphones/speakers.

Figure 3: Example of TX mode usage: Connecting the transmitter to an airplane's entertainment system to use Bluetooth headphones.

6.2. Receiver (RX) Mode

Use RX mode to receive audio from a Bluetooth-enabled device (e.g., smartphone, tablet) and play it through a non-Bluetooth audio system (e.g., car stereo, home stereo, wired headphones).

1. Set Mode: Ensure the device is in RX mode (check the indicator).
2. Connect Audio Output: Use the 3.5mm audio cable to connect the device's audio output port to the audio input (e.g., AUX-in) of your non-Bluetooth audio system (e.g., car stereo).
3. Power On: Press and hold the Power button to turn on the device. It will automatically enter pairing mode, indicated by a flashing light.
4. Pair with Source: On your smartphone or tablet, enable Bluetooth and search for available devices. Select "Music Sound BTHOMETRANSMSK" (or similar) from the list to pair. Once connected, the indicator light will change (e.g., solid blue).
5. Play Audio: Start playing audio on your smartphone/tablet. The sound will now be streamed wirelessly to your connected audio system.

Figure 4: Example of RX mode usage: Connecting the receiver to a car stereo to stream music from a smartphone.

7. Maintenance

Proper care will extend the life of your device:

• Keep the device dry. Moisture can damage internal circuits.
• Do not expose to extreme temperatures, direct sunlight, or dusty environments.
• Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Avoid dropping or subjecting the device to strong impacts.

8. Troubleshooting

If you encounter issues with your device, refer to the following common problems and solutions:

9. Specifications

10. Warranty and Support

For warranty information or technical support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for warranty claims.