SONRU Bluetooth 5.3 Audio Receiver User Manual

1. Product Overview

The SONRU Bluetooth 5.3 Audio Receiver is designed to upgrade non-Bluetooth audio devices such as home stereo systems, car audio systems, and wired headphones with Bluetooth capabilities. This allows seamless wireless audio streaming from your smartphone, tablet, or laptop. Featuring advanced noise cancellation technology and dual output ports, it delivers clear, stable audio and supports hands-free calling.

Image: The SONRU Bluetooth 5.3 Audio Receiver, a compact black square device with a central button and two blue indicator lights, shown with a 3.5mm AUX cable and RCA cables connected.

2. Package Contents

Please verify that all items are present in your package:

• SONRU Bluetooth Audio Receiver (SR-B7)
• User Manual
• RCA Audio Cable (50cm)
• 3.5mm Audio Cable (2 PCS)
• USB Charging Cable

Image: A flat lay showing the SONRU Bluetooth receiver, a user manual, an RCA audio cable, two 3.5mm audio cables, and a USB charging cable, all included in the product package.

3. Setup Guide

Follow these steps to set up your SONRU Bluetooth Audio Receiver:

1. Charge the Device: Before first use, fully charge the receiver using the provided USB charging cable. The charging indicator light will show charging status. A full charge takes approximately 2.5 hours. The device can be used while charging.
2. Connect to Audio Device:

   Connect the receiver to your non-Bluetooth audio device (e.g., home stereo, car audio, wired headphones) using either the 3.5mm AUX cable or the RCA cable, depending on your device's input ports. The receiver features dual 3.5mm AUX output ports for versatile connectivity.

   

   Image: A visual guide demonstrating the connection process: 1. Turn on the receiver. 2. Connect non-Bluetooth devices with an AUX cable. 3. Connect with your Bluetooth devices (phone).

3. Power On: Press and hold the multi-functional button (MFB) on the receiver to power it on. The indicator lights will illuminate, indicating it's ready for pairing.

Setup Video:

Video: An official SONRU video demonstrating the setup and connection of the Bluetooth receiver to a car or home stereo system, highlighting its features and ease of use.

4. Operating Instructions

4.1. Bluetooth Pairing

1. Ensure the receiver is powered on and in pairing mode (indicator lights may flash).
2. On your smartphone, tablet, or laptop, enable Bluetooth and search for available devices.
3. Select "SR-B7" from the list of found devices to pair. Once connected, the indicator lights will show a solid blue.
4. The device has an automatic connection memory function and will automatically pair with the last connected device when Bluetooth is enabled.

Image: An illustration showcasing the wide compatibility of the SONRU Bluetooth receiver with various devices such as phones, tablets, laptops, and MP3 players, connecting to home audio, car audio, and wired headphones.

4.2. Dual Connection

The SONRU Bluetooth receiver supports dual connection, allowing you to pair it with two phones simultaneously. This enables you to switch between music sources or manage calls from either device without re-pairing.

Image: A graphic depicting the dual connection capability of the SONRU Bluetooth receiver, showing two smartphones simultaneously connected to the device.

4.3. Multi-functional Button (MFB)

The single MFB button provides convenient control:

• Play/Pause Music: Short press the MFB.
• Answer/Hang Up Call: Short press the MFB during an incoming call or an active call.
• Reject Call: Press and hold the MFB during an incoming call.
• Redial Last Number: Double-press the MFB.

Image: A visual representation of the SONRU Bluetooth receiver's capabilities, including hands-free calling, navigation voice broadcast, and music streaming, all facilitated by its built-in microphone.

4.4. Noise Cancellation

Equipped with an enhanced signal receiving circuit and built-in AEC echo cancellation and ANC noise cancellation circuits, the receiver ensures pure and true sound quality, even over long distances.

5. Specifications

Image: A graphic detailing the stable wireless connection features, including 15 hours of audio/calling time, 7 days standby time, 2.5 hours charging time, and the ability to use the device while charging.

6. Safety Information

To ensure safe and optimal use of your SONRU Bluetooth Audio Receiver, please observe the following safety guidelines:

• Battery Handling: Do not disassemble, puncture, or expose the battery to extreme temperatures or fire. Dispose of batteries according to local regulations.
• Interference: Avoid placing the device near other wireless devices that may cause interference, such as Wi-Fi routers or other Bluetooth transmitters.
• Environmental Conditions: Protect the device from extreme temperatures, direct sunlight, humidity, and liquids.
• Responsible Use: When using the device in a vehicle, prioritize safe driving. Utilize hands-free calling features and avoid distractions.

7. Troubleshooting

8. Warranty and Support

SONRU products are manufactured to the highest quality standards. For warranty information, technical support, or any inquiries regarding your product, please contact SONRU customer service through the platform where you purchased the device or visit the official SONRU website.

Please retain your proof of purchase for warranty claims.