Specifications

Power Supply: 3.7-5V

Signal-to-Noise Ratio (SNR): 90dB

Total Harmonic Distortion Plus Noise (THD+N): -70dB

Crosstalk: -86dB

Dynamic Range (DNR): 91dB

Supported Bluetooth Protocols: A2DP/AVCTP/AVDTP/AVRCP/HFP

Communication Range: >15 meters

Interface Details

USB Power Supply: Universal Micro USB 5V power supply

3.7-5V Supply Pad: External 3.7-5V lithium battery power conversion

LED Indicator Mode: Long bright blue light

3.5mm Stereo Audio Interface: Standard 3.5mm interface, outputting stereo sound source, suitable for headphones, amplifiers, and other devices

Usage Instructions

Upon powering on, the blue indicator light turns on, entering pairing mode. The screen displays "The device is ready to pair," indicating it is in pairing mode and waiting for connection.

The device name of the decoder board found by the phone is "XY_BT". After clicking to connect, the decoder board announces "The device is connected successfully," indicating the board and the phone are successfully connected, ready for music playback.

Installation and Setup

Ensure the power voltage complies with the specified 3.7-5V.

Power the device using a Micro USB cable or a 3.7-5V lithium battery.

Connect the 3.5mm audio cable to the device's audio output interface, with the other end connected to headphones, speakers, or amplifiers.

Bluetooth Pairing and Usage

The device automatically enters pairing mode upon powering on, indicated by a long bright blue light.

Search for "XY_BT" in the Bluetooth settings of your phone or other Bluetooth devices and select to connect.

Once connected, the device will sound a prompt indicating "The device is connected successfully," allowing music playback to begin.

Troubleshooting

If the device fails to power on, check if the power connection is correct.

If pairing or connection fails, ensure the device is not connected to other Bluetooth devices, then restart and try again.

For sound quality issues, check if the audio cable is firmly connected and compatible headphones or speakers are used.

Maintenance and Care

Regularly check for loose or damaged connections and interfaces.

Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.

When cleaning the device, use a dry, soft cloth and avoid any liquid cleaning agents.

Safety Precautions

Read all safety guidelines and instructions before use.

Do not use the device in damp or dusty environments.

Avoid attempting to disassemble or repair the device yourself.

Technical Support and Warranty

Provide detailed technical support information, such as contact details and service hours.

Specify warranty terms and conditions, including warranty period and covered issue types

Package Included:

1x Music Module