MP3 Bluetooth Decoder Board Nondestructive Car Speaker Amplifier

Support Bluetooth 4.1, support automatic connection back, support WAV+APE+FLAC+MP3 lossless decoding, stereo output
Interface details
USB powered
Universal Micro USB 5V power supply
3.7-5V power supply pad
Realize external 3.7-5V lithium battery power supply modification
LED indicator
Bluetooth mode blue light is on
3.5mm stereo audio interface
Standard 3.5mm interface, output stereo sound source, can be plugged into headphones, connected to power amplifier and other equipment