SONRU Bluetooth 5.0 Transmitter Receiver User Manual

1. Product Overview

The SONRU Bluetooth 5.0 Transmitter Receiver is a high-performance audio adapter designed to seamlessly integrate Bluetooth connectivity into your existing audio systems. It functions as both a transmitter (TX) to send audio from non-Bluetooth devices to Bluetooth headphones/speakers, and a receiver (RX) to stream audio from Bluetooth-enabled devices to wired speakers or car stereos. Its 1.7-inch LED screen provides clear status and pairing information.

Image 1.1: The SONRU Bluetooth 5.0 Transmitter Receiver unit shown with included audio and charging cables.

Key Features:

• Bluetooth 5.0 Technology: Ensures stable connection, faster transmission, and wider compatibility.
• TX & RX Modes: Versatile functionality for both transmitting and receiving audio.
• 1.7-inch LED Screen: Displays connection status, codec, and paired device names for easy operation.
• aptX HD & aptX LL Support: Provides high-definition audio quality and low latency for synchronized sound.
• Multiple Audio Inputs/Outputs: Supports Optical (TOSLINK), 3.5mm AUX, and RCA connections.
• Dual Pairing: Connects to two Bluetooth headphones/speakers simultaneously in TX mode.
• Long Battery Life: Up to 24 hours of playtime on a single charge.

Image 1.2: Detailed view of the 1.7-inch LED screen, showing audio code format, connection type, mode, and Bluetooth device name.

Package Contents:

• 1 x SONRU Bluetooth 5.0 Transmitter Receiver
• 1 x Optical Digital Cable
• 1 x 3.5mm Audio AUX Cable
• 1 x RCA Cable (3.5mm to 2-Male RCA Adapter)
• 1 x Micro USB Charging Cable
• 1 x User Manual

Image 1.3: All items included in the SONRU Bluetooth adapter package.

2. Setup Guide

2.1 Charging the Device

Before first use, fully charge the SONRU adapter. Connect the Micro USB charging cable to the device's charging port and the other end to a USB power source (e.g., wall adapter, computer USB port). The LED screen will indicate charging status. A full charge takes approximately 3 hours.

Image 2.1: The SONRU adapter connected to a power source via its Micro USB charging cable, illustrating its long battery life.

2.2 Powering On/Off

• Power On: Press and hold the power button (usually marked with a circle or power symbol) for 3 seconds until the LED screen lights up.
• Power Off: Press and hold the power button for 3 seconds until the LED screen turns off.

2.3 Mode Selection (TX/RX)

The device has a switch on its side to select between Transmitter (TX) and Receiver (RX) modes. Ensure the switch is set to the desired mode before connecting and pairing.

3. Operating Instructions

3.1 Transmitter (TX) Mode

In TX mode, the SONRU adapter sends audio from your non-Bluetooth devices (e.g., TV, PC, CD player) to Bluetooth headphones or speakers.

1. Set the mode switch to TX.
2. Connect the SONRU adapter to your audio source (TV, PC, etc.) using the appropriate cable (Optical, 3.5mm AUX, or RCA). Ensure the audio output from your source is active.
3. Power on the SONRU adapter. It will automatically enter pairing mode, indicated by a flashing Bluetooth icon on the screen.
4. Put your Bluetooth headphones or speakers into pairing mode.
5. The SONRU adapter will scan for nearby Bluetooth devices. Use the navigation buttons on the adapter to select your desired device from the list displayed on the screen.
6. Press the confirmation button (often the play/pause button) to initiate pairing. Once connected, the Bluetooth icon will become solid, and the device name will appear on the screen.

Dual Pairing in TX Mode:

The SONRU adapter supports connecting to two Bluetooth headphones or speakers simultaneously.

1. Connect the first device as described above.
2. Once the first device is connected, put the second Bluetooth headphone or speaker into pairing mode.
3. On the SONRU adapter, short press the pairing button (often marked with a Bluetooth symbol or 'M') to search for the second device.
4. Select the second device from the list and confirm pairing. Both device names will be displayed on the screen once connected.

Image 3.1: Illustration of dual pairing in TX mode, allowing two users to listen to TV audio simultaneously via Bluetooth headphones.

3.2 Receiver (RX) Mode

In RX mode, the SONRU adapter receives audio from your Bluetooth-enabled devices (e.g., smartphone, tablet, laptop) and plays it through wired speakers, car stereos, or home audio systems.

1. Set the mode switch to RX.
2. Connect the SONRU adapter to your wired audio system (speakers, amplifier, car stereo) using the appropriate cable (3.5mm AUX or RCA).
3. Power on the SONRU adapter. It will automatically enter pairing mode.
4. On your Bluetooth-enabled device (smartphone, tablet), go to Bluetooth settings and search for new devices.
5. Select "SONRU B6" (or similar name displayed on the adapter's screen) from the list of available devices to pair.
6. Once connected, the Bluetooth icon will become solid. You can now play audio from your device through your wired audio system.

Image 3.2: Visual representation of typical setups for both TX (Transmitter) and RX (Receiver) modes, demonstrating various input and output connections.

4. Care and Maintenance

• Keep the device away from extreme temperatures, humidity, and corrosive substances.
• Clean the device with a soft, dry cloth. Do not use liquid cleaners or aerosols.
• Avoid dropping or subjecting the device to strong impacts.
• Store the device in a cool, dry place when not in use for extended periods.
• To preserve battery life, charge the device at least once every three months if not used regularly.

5. Troubleshooting

6. Technical Specifications

Image 6.1: Comparison highlighting the benefits of Bluetooth 5.0, including aptX HD and aptX LL support for high definition and low latency audio.

7. Warranty and Support

SONRU products are designed and manufactured to the highest quality standards. For information regarding warranty coverage and technical support, please refer to the warranty card included in your product packaging or visit the official SONRU website. Please have your product model number (B08B3P7GH1) and purchase details ready when contacting support.