SONRU Bluetooth 5.0 Transmitter Receiver User Manual

1. Introduction

This user manual provides detailed instructions for the SONRU Bluetooth 5.0 Transmitter Receiver. This versatile 2-in-1 device allows you to add Bluetooth capabilities to non-Bluetooth audio devices, enabling wireless audio streaming in both transmitting and receiving modes. Please read this manual carefully before use to ensure proper operation and to maximize the device's performance.

2. Package Contents

Please check the package for the following items:

• 1 x SONRU Bluetooth 5.0 Adapter
• 1 x 3.5mm Aux Cable
• 1 x 3.5mm Female to 2 RCA Male Cable
• 1 x USB Charging Cable
• 1 x User Manual

3. Product Features

• 2-in-1 Functionality: Acts as both a Bluetooth transmitter (TX) and receiver (RX).
• Bluetooth 5.0: Equipped with the latest CSR chipset for stable and efficient wireless connection.
• Low Latency (aptX LL): Provides high-fidelity stereo sound with minimal audio delay, ensuring synchronized audio and video. Note: Your connected Bluetooth devices must also support aptX LL for this feature to function.
• Dual Connection: Connects two Bluetooth headsets/speakers simultaneously in TX mode, or two devices to your stereo in RX mode. Note: aptX Low Latency does not support dual pair mode.
• Wide Compatibility: Transforms non-Bluetooth devices like TVs, PCs, CD players, iPods, MP3/MP4 players into Bluetooth transmitters, and allows non-Bluetooth speakers or car stereos to receive Bluetooth audio.
• Easy Operation: Simple control via a multifunctional button.

4. Setup and Operation

4.1. Transmitter (TX) Mode

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

1. Push the mode switch button to the TX side.
2. Press and hold the Multi-Function Button (MFB) for 2 seconds to turn on the device.
3. Press the MFB twice to enter pairing mode. The blue indicator light will flash rapidly.
4. Connect the adapter to your audio source (e.g., TV, PC) using the provided 3.5mm AUX cable.
5. Place the adapter near your Bluetooth headphones or speaker. The devices will attempt to pair automatically (this may take 5-30 seconds).
6. Once connected, the blue LED will blink slowly. You can now transfer audio from your source to your Bluetooth device.
7. TX mode supports simultaneous connection of two Bluetooth devices, allowing you to share audio.

Image: Illustration of the SONRU Bluetooth adapter in TX mode, connecting to a TV and transmitting audio to two Bluetooth headphones.

4.2. Receiver (RX) Mode

Use RX mode to receive Bluetooth audio from your smartphone or tablet and play it through non-Bluetooth speakers or car stereos.

1. Push the mode switch button to the RX side.
2. Press and hold the MFB for 2 seconds to turn on the device.
3. Press the MFB twice to enter pairing mode. The red and blue LEDs will flash alternately.
4. Activate Bluetooth on your mobile device (phone, tablet, laptop) and search for

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