Specification:
Origin: Mainland China
Type: Voltage Regulator
Condition: New
Application: Speaker
Supply Voltage: 3.7-5 V
Model Number: Audio Receiver Board
MP3 Bluetooth-compatible  decoder board car speaker audio power amplifier board modified diy audio receiver module
Product parameters:
Bluetooth-compatible  decoder board-DIY
Support Bluetooth-compatible  5.0, support automatic reconnect function, support WAV+APE+FLAC+MP3 lossless decoding, stereo output
Power supply: 3.7V-5V
Signal-to-noise ratio: 90dB
Product size: 30*28*8mm
Colour: Black

Instructions:
Use the USB cable for power supply, the blue indicator light flashes, and enter the Bluetooth-compatible  mode; when you hear the voice broadcast "The Bluetooth device is ready to pair", it means entering the Bluetooth mode and waiting for pairing; the mobile phone Bluetooth searches for "HW-BT" (decoded version device name), click Connect. When you hear the voice broadcast "The Bluetooth device is connected successfully", it means that the decoder board is connected to the mobile phone successfully, the blue indicator light is always on, and the music can be played, and the blue indicator light flashes at this time.

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.