bluetooth 4.1 MP3 Decoder Module Audio Receiver Board Non-destructive Car Speaker Amplifier Conversion

Features Bluetooth 4 1 supportSupport automatic connection functionSupport WAV APE FLAC MP3 lossless decodingStereo outputOnboard stereo 3W amplifierSupport USB Audio functionWith TF card downloadSupport U disk TF card playbackSupport infrared remote control Parameter characteristics Power Supply3 7 5VSNR90dBTHD N 70dBCrosstalk 86dBDNR91dBSupport ProfileA2DP AVCTP AVDTP AVRCP HFPLOS 15MMicro USB poweredMicro USB 5V power supplyUSB AudioConnect to a computer via a USB cable to use as an external sound cardU disk interfaceSupports playing MP3 WAV APE FLAC files in U disk and supports FAT16 32 file formatLED indicationBluetooth mode blue light is on music mode blue light is blinkingTF card interfaceSupport for playing MP3 WAV APE FLAC files in TF card support FATI6 32 file formatInfrared remote controlSupport infrared remote control operation the function is as defined belowAD key interfaceButton interface providing different resistance parameters to achieve different button functionsBluetooth decoding ICDecoder board master chip3 5mm stereo outputStandard 3 5mm interface output stereo sound source can be plugged into headphones connected to power amplifier and other equipmentRight channel 3WAudio right channel output can drive 3W speakersLeft channel 3WAudio left channel output can drive 3W speakers3W 2 amplifierOnboard 2 channel 3W amplifier for stereo drive 3W speaker3 7 5V power supply padRealize external 3 7 5V power supply modificationButton and remote control