egolden LE519 Bluetooth 5.4 Audio Receiver and Transmitter User Manual

1. Introduction

The egolden LE519 is a versatile Bluetooth 5.4 audio adapter designed to seamlessly integrate wireless audio into your life. It functions as both a receiver (RX) and a transmitter (TX), allowing you to add Bluetooth capabilities to a wide range of audio devices. With support for dual stream and multipoint connections, you can share audio with two Bluetooth headphones simultaneously or connect to two source devices in receiver mode. Its compact design, long battery life, and support for various high-quality audio codecs make it an ideal solution for home entertainment, travel, and on-the-go audio needs.

2. Package Contents

Please check the box for the following items:

• Bluetooth Receiver and Transceiver (LE519) x1
• Type-C Charging Cable x1
• RCA Audio Adapter x1
• 3.5MM Audio Cable (Frequency Conversion Head) x1
• Product Explanation (User Manual) x1

3. Specifications

4. Setup

4.1 Charging the Device

Before first use, fully charge your LE519 adapter. Connect the provided Type-C charging cable to the device's USB-C port and plug the other end into a 5V USB power source (e.g., wall adapter, computer USB port). The device takes approximately 2 to 2.5 hours to fully charge. A full charge provides up to 26 hours of operation in RX mode and over 15 hours in TX mode.

4.2 Identifying Modes

The LE519 features two main modes: Transmitter (TX) and Receiver (RX). The device has dedicated RX and TX buttons. Pressing the respective button will activate that mode, indicated by an LED light.

5. Operating Instructions

5.1 Transmitter (TX) Mode

In TX mode, the LE519 transmits audio from a non-Bluetooth device (e.g., TV, computer, airplane entertainment system) to Bluetooth headphones or speakers.

1. Connect to Audio Source: Plug the 3.5mm audio cable into the LE519's audio input port and the other end into the audio output (headphone jack) of your non-Bluetooth device. Use the RCA adapter if needed for RCA outputs.
2. Activate TX Mode: Press the 'TX' button on the LE519. The TX indicator light will turn on.
3. Enter Pairing Mode: Double-click the 'TX' button. The TX indicator light will flash rapidly, indicating it's in pairing mode.
4. Pair with Bluetooth Headphones/Speakers: Put your Bluetooth headphones or speaker into pairing mode (refer to their respective manuals).
5. Connect: The LE519 will automatically search for and connect to nearby Bluetooth audio devices. Once connected, the TX indicator light will become solid, and the 'No.1' or 'No.2' indicator will light up.
6. Enjoy Audio: Audio from your source device will now be transmitted wirelessly to your connected Bluetooth headphones or speakers.

5.2 Receiver (RX) Mode

In RX mode, the LE519 receives audio wirelessly from a Bluetooth-enabled device (e.g., smartphone, tablet, laptop) and outputs it to a non-Bluetooth audio system (e.g., wired speakers, car stereo).

1. Connect to Audio Output Device: Plug the 3.5mm audio cable into the LE519's audio output port and the other end into the audio input (AUX-in) of your wired speaker, car stereo, or other audio system.
2. Activate RX Mode: Press the 'RX' button on the LE519. The RX indicator light will turn on.
3. Enter Pairing Mode: Double-click the 'RX' button. The RX indicator light will flash rapidly, indicating it's in pairing mode.
4. Pair with Bluetooth Source Device: On your smartphone, tablet, or laptop, enable Bluetooth and search for new devices. Select 'LE519' from the list of available devices.
5. Connect: Once connected, the RX indicator light will become solid, and the 'No.1' or 'No.2' indicator will light up.
6. Enjoy Audio: Audio from your Bluetooth source device will now play through your wired audio system.

5.3 Dual Link / Multipoint Connection

The LE519 supports connecting to two Bluetooth devices simultaneously, allowing you to share audio or switch between sources.

• In TX Mode: After successfully pairing the first pair of Bluetooth headphones, put the second pair of headphones into pairing mode. Double-click the 'TX' button on the LE519 again to enter pairing mode. The LE519 will connect to the second device, and both 'No.1' and 'No.2' indicators will be lit.
• In RX Mode: After successfully pairing the first Bluetooth source device (e.g., phone), put the second Bluetooth source device (e.g., tablet) into pairing mode. Double-click the 'RX' button on the LE519 again to enter pairing mode. The LE519 will connect to the second device. You can then play audio from either connected source.

6. Maintenance

• Keep the device dry. Moisture can damage the internal circuits.
• Do not expose the device to extreme temperatures (hot or cold).
• Clean the device with a soft, dry cloth. Avoid using 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.

7. Troubleshooting

• Device not powering on: Ensure the device is fully charged. Connect it to a power source using the Type-C cable.
• Cannot pair with a device: Make sure both the LE519 and the target device are in pairing mode. Ensure they are within the effective Bluetooth range (<12m). Try restarting both devices.
• No audio output/input: Check all cable connections. Ensure the correct mode (RX/TX) is selected on the LE519. Verify the volume levels on all connected devices.
• Audio quality is poor or intermittent: Ensure there are no obstructions between the LE519 and the connected Bluetooth device. Move closer to reduce interference. Check if other wireless devices are causing interference.
• Dual connection issues: Ensure both target devices are in pairing mode when attempting to connect the second device.

8. User Tips

• For optimal audio quality, ensure your connected devices support the advanced audio codecs (aptX Adaptive, aptX HD) that the LE519 offers.
• When using in TX mode with an airplane entertainment system, ensure the 3.5mm audio cable is securely plugged into the correct output jack.
• To maximize battery life, turn off the device when not in use.
• If experiencing connection issues, try resetting the LE519 by holding down both RX and TX buttons for a few seconds (refer to specific instructions if available in the full manual).

9. Warranty and Support

For any issues or questions regarding your egolden LE519 Bluetooth adapter, please refer to the official product documentation or contact the seller's customer support for assistance. Keep your proof of purchase for warranty claims.